FCC ID WIYS1U2M4001

WIY-S1U2M4001, WIY S1U2M4001, WIYS1U2M4001, WIYS1U2M4OO1, WIYSIU2M400I, WIY51U2M4001, W1YS1U2M4001

CASTLES TECHNOLOGY CO., LTD. POS Terminal S1U2M4001

An FCC ID is the product ID assigned by the FCC to identify wireless products in the market. The FCC chooses 3 or 5 character "Grantee" codes to identify the business that created the product. For example, the grantee code for FCC ID: WIYS1U2M4001 is WIY. The remaining characters of the FCC ID, S1U2M4001, are often associated with the product model, but they can be random. These letters are chosen by the applicant. In addition to the application, the FCC also publishes internal images, external images, user manuals, and test results for wireless devices. They can be under the "exhibits" tab below.

Purchase on Amazon: POS Terminal

Application: POS Terminal
Equipment Class: PCB - PCS Licensed Transmitter
Short Link: fcc.id/WIYS1U2M4001
Sources: FCC.gov | FCC.report
Registered By: CASTLES TECHNOLOGY CO., LTD. - WIY (Taiwan)

App #	Purpose	Date	Unique ID
1	Original Equipment	2025-03-17	AhYwO27ck2uScgOCcEh55A==
2	Original Equipment	2025-03-17	KtHHy6Gx6Ki4zx6HUNdDAA==
3	Original Equipment	2025-03-17	tjMCTcuy9vO/uckwAGXI1Q==
4	Original Equipment	2025-03-17	iZUohgBsWsGwBi/bu7im6g==
5	Original Equipment	2025-03-17	0Qs6sV3yYm5CQhVJSA43+g==
6	Class II Permissive Change	2025-04-02	OGjK4dPD3170oVJXt/uyYQ==

Operating Frequencies

Colombia Homologation [?]: WIYS1U2M4001

Device operates within approved frequencies overlapping with the following cellular bands: LTE 255,Unlicensed NII-3 DOWN | LTE 46,TD Unlicensed DOWN |

Frequency Range	Power Output	Tolerance	Emission Designator	Rule Parts	Grant Notes	App #
13.56 MHz				15C	CC	2.1
699.7-715.3 MHz	273 mW	2.5ppm	8M93G7D	27		5.12
699.7-715.3 MHz	283 mW	2.5ppm	2M69G7D	27		5.13
699.7-715.3 MHz	202 mW	2.5ppm	2M68W7D	27		5.14
699.7-715.3 MHz	197 mW	2.5ppm	8M93W7D	27		5.15
699.7-715.3 MHz	273 mW	2.5ppm	8M93G7D	27		6.12
699.7-715.3 MHz	283 mW	2.5ppm	2M69G7D	27		6.13
699.7-715.3 MHz	202 mW	2.5ppm	2M68W7D	27		6.14
699.7-715.3 MHz	197 mW	2.5ppm	8M93W7D	27		6.15
779.5-784.5 MHz	270 mW	2.5ppm	8M91G7D	27		6.24
779.5-784.5 MHz	287 mW	2.5ppm	4M48G7D	27		6.25
779.5-784.5 MHz	195 mW	2.5ppm	8M90W7D	27		6.26
779.5-784.5 MHz	203 mW	2.5ppm	4M48W7D	27		6.27
790.5-795.5 MHz	275 mW	2.5ppm	8M93G7D	9		6.32
790.5-795.5 MHz	290 mW	2.5ppm	4M48G7D	9		6.33
790.5-795.5 MHz	200 mW	2.5ppm	8M92W7D	9		6.34
790.5-795.5 MHz	231 mW	2.5ppm	4M47W7D	9		6.35
814.7-823.3 MHz	270 mW	2.5ppm	13M4G7D	9		6.36
814.7-823.3 MHz	270 mW	2.5ppm	4M48G7D	9		6.37
814.7-823.3 MHz	200 mW	2.5ppm	13M4W7D	27		6.38
814.7-823.3 MHz	220 mW	2.5ppm	2M68W7D	9		6.39
824.7-848.3 MHz	280 mW	2.5ppm	13M4G7D	22H		6.16
824.7-848.3 MHz	283 mW	2.5ppm	8M94G7D	22H		6.17
824.7-848.3 MHz	209 mW	2.5ppm	13M4W7D	22H		6.18
824.7-848.3 MHz	214 mW	2.5ppm	4M48W7D	22H		6.19
826.4-846.6 MHz	263 mW	2.5ppm	4M13F9W	22H		5.3
1.7107-1.7793 GHz	185 mW	2.5ppm	17M9W7D	27		5.1
1.7107-1.7793 GHz	228 mW	2.5ppm	17M9G7D	27		5.8
1.7107-1.7793 GHz	238 mW	2.5ppm	4M49G7D	27		5.9
1.7107-1.7793 GHz	157 mW	2.5ppm	17M9W7D	27		5.11
1.7107-1.7793 GHz	185 mW	2.5ppm	17M9W7D	27		6.1
1.7107-1.7793 GHz	228 mW	2.5ppm	17M9G7D	27		6.8
1.7107-1.7793 GHz	238 mW	2.5ppm	4M49G7D	27		6.9
1.7107-1.7793 GHz	157 mW	2.5ppm	17M9W7D	27		6.11
1.7124-1.7526 GHz	216 mW	2.5ppm	4M12F9W	27		5.2
1.8507-1.9143 GHz	215 mW	2.5ppm	17M8G7D	24E		5.4
1.8507-1.9143 GHz	242 mW	2.5ppm	4M47G7D	24E		5.5
1.8507-1.9143 GHz	210 mW	2.5ppm	17M8W7D	24E		5.6
1.8507-1.9143 GHz	222 mW	2.5ppm	13M4W7D	24E		5.7
1.8507-1.9143 GHz	215 mW	2.5ppm	17M8G7D	24E		6.4
1.8507-1.9143 GHz	242 mW	2.5ppm	4M47G7D	24E		6.5
1.8507-1.9143 GHz	210 mW	2.5ppm	17M8W7D	24E		6.6
1.8507-1.9143 GHz	222 mW	2.5ppm	13M4W7D	24E		6.7
2.402-2.48 GHz	11 mW			15C	CC	3.1
2.402-2.48 GHz	6.1 mW			15C	CC	4.1
2.412-2.462 GHz	64 mW			15C	CC	4.2
2.4985-2.6875 GHz	126 mW	2.5ppm	17M8W7D	27		6.3
2.4985-2.6875 GHz	153 mW	2.5ppm	17M8G7D	27		6.28
2.4985-2.6875 GHz	154 mW	2.5ppm	13M4G7D	27		6.29
2.4985-2.6875 GHz	130 mW	2.5ppm	4M47W7D	27		6.31
2.5025-2.5675 GHz	233 mW	2.5ppm	17M8G7D	27		6.2
2.5025-2.5675 GHz	255 mW	2.5ppm	4M48G7D	27		6.21
2.5025-2.5675 GHz	258 mW	2.5ppm	17M8W7D	27		6.22
2.5025-2.5675 GHz	267 mW	2.5ppm	13M4G7D	27		6.23
5.18-5.24 GHz	28 mW			15E	CC	1.1
5.26-5.32 GHz	28 mW			15E	CC	1.2
5.5-5.72 GHz	40 mW			15E	CC	1.3
5.745-5.825 GHz	36 mW			15E	CC	1.4

Application Forms

Application for Equipment Authorization FCC Form 731 TCB Version

Applicant Information

Applicant's complete, legal business name:	CASTLES TECHNOLOGY CO., LTD.
FCC Registration Number (FRN):	0017950627
Alphanumeric FCC ID:	WIYS1U2M4001
Unique Application Identifier:	AhYwO27ck2uScgOCcEh55A==
Line one:	6F, NO. 207-5, SEC. 3, BEIXIN RD.,
Line two:	XINDIAN DISTRICT,
City:	NEW TAIPEI CITY
State:	N/A
Country:	Taiwan
Zip Code:	231030

TCB Information

TCB Application Email Address:	[email protected]
TCB Scope:	A4: UNII devices & low power transmitters using spread spectrum techniques

FCC ID

Grantee Code:	WIY
Product Code:	S1U2M4001

Person at the applicant's address to receive grant or for contact

Name:	Evelyn Chen
Title:	Project Manager of Product Certification Team

Telephone Number:

+886-2-8913-1771

Extension:

352

Fax Number:	886-2-8913-1772
Email:	[email protected]

Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Non Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Long-Term Confidentiality

Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: Yes

Short-Term Confidentiality

Does short-term confidentiality apply to this application?: No

If so, specify the short-term confidentiality release date (MM/DD/YYYY format):
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio

Is this application for software defined/cognitive radio authorization? No

Equipment Class

Equipment Class: NII - Unlicensed National Information Infrastructure TX
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant):	POS Terminal

Related OET KnowledgeDataBase Inquiry

Is there a KDB inquiry associated with this application? No

Modular Equipment

Modular Type: Does not apply

Application Purpose

Application is for: Original Equipment

Composite/Related Equipment

Is the equipment in this application a composite device subject to an additional equipment authorization? Yes

Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? No

Test Firm Information

Name of test firm and contact person on file with the FCC:

Firm Name: MRT Technology (Suzhou) Co., Ltd.

First Name: Mr. Marlin

Last Name: Chen

Telephone Number:

8651266308358

Extension:

880

E-mail: [email protected]

Grant Comments

Enter any text that you would like to appear at the bottom of the Grant of Equipment Authorization:
Power Output is conducted. The antenna(s) used for this transmitter must be used to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance. This device has 20 /40 /80 MHz bandwidth mode.

Set the grant of this application to be deferred to a specified date:
No

Equipment Authorization Waiver

Is there an equipment authorization waiver associated with this application? No

If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?: No

WILLFUL FALSE STATEMENTS MADE ON THIS FORM ARE PUNISHABLE BY FINE AND IMPRISONMENT (U.S. CODE, TITLE 18, SECTION 1001), AND/OR REVOCATION OF ANY STATION LICENSE OR CONSTRUCTION PERMIT (U.S. CODE, TITLE 47, SECTION 312(a)(1)), AND/OR FORFEITURE (U.S. CODE, TITLE 47, SECTION 503).

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:

The applicant must certify that neither the applicant nor any party to the application is subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes.

Does the applicant or authorized agent so certify? Yes

Applicant/Agent Certification:

I certify that I am authorized to sign this application. All of the statements herein and the exhibits attached hereto, are true and correct to the best of my knowledge and belief. In accepting a Grant of Equipment Authorization as a result of the representations made in this application, the applicant is responsible for (1) labeling the equipment with the exact FCC ID specified in this application, (2) compliance statement labeling pursuant to the applicable rules, and (3) compliance of the equipment with the applicable technical rules. If the applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC's technical requirements.

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

If an agent has signed this application on behalf of the applicant, a written letter of authorization which includes information to enable the agent to respond to the above section 5301 (Anti-Drug Abuse) Certification statement has been provided by the applicant. It is understood that the letter of authorization must be submitted to the FCC upon request, and that the FCC reserves the right to contact the applicant directly at any time.

Signature of Authorized Person Filing: Chenz Ker

Title of authorized signature: Manager

Complete items below if agent signs the application:

Firm Name: MRT Technology (Taiwan) Co., Ltd

Name: Chenz Chenz Chenz

Line 1: Chenz

Line 2: Chenz

P.O. Box: Chenz

City: Chenz

State: Chenz

Country: Chenz

Zip Code: Chenz

Telephone Number:

886-3-3288388

Fax Number: 886-3-3288918

E-mail: [email protected]

Application for Equipment Authorization FCC Form 731 TCB Version

Applicant Information

Applicant's complete, legal business name:	CASTLES TECHNOLOGY CO., LTD.
FCC Registration Number (FRN):	0017950627
Alphanumeric FCC ID:	WIYS1U2M4001
Unique Application Identifier:	KtHHy6Gx6Ki4zx6HUNdDAA==
Line one:	6F, NO. 207-5, SEC. 3, BEIXIN RD.,
Line two:	XINDIAN DISTRICT,
City:	NEW TAIPEI CITY
State:	N/A
Country:	Taiwan
Zip Code:	231030

TCB Information

TCB Application Email Address:	[email protected]
TCB Scope:	A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices

FCC ID

Grantee Code:	WIY
Product Code:	S1U2M4001

Person at the applicant's address to receive grant or for contact

Name:	Evelyn Chen
Title:	Project Manager of Product Certification Team

Telephone Number:

+886-2-8913-1771

Extension:

352

Fax Number:	886-2-8913-1772
Email:	[email protected]

Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Non Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Long-Term Confidentiality

Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: Yes

Short-Term Confidentiality

Does short-term confidentiality apply to this application?: No

If so, specify the short-term confidentiality release date (MM/DD/YYYY format):
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio

Is this application for software defined/cognitive radio authorization? No

Equipment Class

Equipment Class: DXX - Part 15 Low Power Communication Device Transmitter
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant):	POS Terminal

Related OET KnowledgeDataBase Inquiry

Is there a KDB inquiry associated with this application? No

Modular Equipment

Modular Type: Does not apply

Application Purpose

Application is for: Original Equipment

Composite/Related Equipment

Is the equipment in this application a composite device subject to an additional equipment authorization? Yes

Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? No

Test Firm Information

Name of test firm and contact person on file with the FCC:

Firm Name: MRT Technology (Suzhou) Co., Ltd.

First Name: Mr. Marlin

Last Name: Chen

Telephone Number:

8651266308358

Extension:

880

E-mail: [email protected]

Grant Comments

Set the grant of this application to be deferred to a specified date:
No

Equipment Authorization Waiver

Is there an equipment authorization waiver associated with this application? No

If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?: No

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:

Does the applicant or authorized agent so certify? Yes

Applicant/Agent Certification:

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

Signature of Authorized Person Filing: Chenz Ker

Title of authorized signature: Manager

Complete items below if agent signs the application:

Firm Name: MRT Technology (Taiwan) Co., Ltd

Name: Chenz Chenz Chenz

Line 1: Chenz

Line 2: Chenz

P.O. Box: Chenz

City: Chenz

State: Chenz

Country: Chenz

Zip Code: Chenz

Telephone Number:

886-3-3288388

Fax Number: 886-3-3288918

E-mail: [email protected]

Application for Equipment Authorization FCC Form 731 TCB Version

Applicant Information

Applicant's complete, legal business name:	CASTLES TECHNOLOGY CO., LTD.
FCC Registration Number (FRN):	0017950627
Alphanumeric FCC ID:	WIYS1U2M4001
Unique Application Identifier:	tjMCTcuy9vO/uckwAGXI1Q==
Line one:	6F, NO. 207-5, SEC. 3, BEIXIN RD.,
Line two:	XINDIAN DISTRICT,
City:	NEW TAIPEI CITY
State:	N/A
Country:	Taiwan
Zip Code:	231030

TCB Information

TCB Application Email Address:	[email protected]
TCB Scope:	A4: UNII devices & low power transmitters using spread spectrum techniques

FCC ID

Grantee Code:	WIY
Product Code:	S1U2M4001

Person at the applicant's address to receive grant or for contact

Name:	Evelyn Chen
Title:	Project Manager of Product Certification Team

Telephone Number:

+886-2-8913-1771

Extension:

352

Fax Number:	886-2-8913-1772
Email:	[email protected]

Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Non Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Long-Term Confidentiality

Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: Yes

Short-Term Confidentiality

Does short-term confidentiality apply to this application?: No

If so, specify the short-term confidentiality release date (MM/DD/YYYY format):
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio

Is this application for software defined/cognitive radio authorization? No

Equipment Class

Equipment Class: DSS - Part 15 Spread Spectrum Transmitter
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant):	POS Terminal

Related OET KnowledgeDataBase Inquiry

Is there a KDB inquiry associated with this application? No

Modular Equipment

Modular Type: Does not apply

Application Purpose

Application is for: Original Equipment

Composite/Related Equipment

Is the equipment in this application a composite device subject to an additional equipment authorization? Yes

Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? No

Test Firm Information

Name of test firm and contact person on file with the FCC:

Firm Name: MRT Technology (Suzhou) Co., Ltd.

First Name: Mr. Marlin

Last Name: Chen

Telephone Number:

8651266308358

Extension:

880

E-mail: [email protected]

Grant Comments

Set the grant of this application to be deferred to a specified date:
No

Equipment Authorization Waiver

Is there an equipment authorization waiver associated with this application? No

If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?: No

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:

Does the applicant or authorized agent so certify? Yes

Applicant/Agent Certification:

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

Signature of Authorized Person Filing: Chenz Ker

Title of authorized signature: Manager

Complete items below if agent signs the application:

Firm Name: MRT Technology (Taiwan) Co., Ltd

Name: Chenz Chenz Chenz

Line 1: Chenz

Line 2: Chenz

P.O. Box: Chenz

City: Chenz

State: Chenz

Country: Chenz

Zip Code: Chenz

Telephone Number:

886-3-3288388

Fax Number: 886-3-3288918

E-mail: [email protected]

Application for Equipment Authorization FCC Form 731 TCB Version

Applicant Information

Applicant's complete, legal business name:	CASTLES TECHNOLOGY CO., LTD.
FCC Registration Number (FRN):	0017950627
Alphanumeric FCC ID:	WIYS1U2M4001
Unique Application Identifier:	iZUohgBsWsGwBi/bu7im6g==
Line one:	6F, NO. 207-5, SEC. 3, BEIXIN RD.,
Line two:	XINDIAN DISTRICT,
City:	NEW TAIPEI CITY
State:	N/A
Country:	Taiwan
Zip Code:	231030

TCB Information

TCB Application Email Address:	[email protected]
TCB Scope:	A4: UNII devices & low power transmitters using spread spectrum techniques

FCC ID

Grantee Code:	WIY
Product Code:	S1U2M4001

Person at the applicant's address to receive grant or for contact

Name:	Evelyn Chen
Title:	Project Manager of Product Certification Team

Telephone Number:

+886-2-8913-1771

Extension:

352

Fax Number:	886-2-8913-1772
Email:	[email protected]

Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Non Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Long-Term Confidentiality

Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: Yes

Short-Term Confidentiality

Does short-term confidentiality apply to this application?: No

If so, specify the short-term confidentiality release date (MM/DD/YYYY format):
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio

Is this application for software defined/cognitive radio authorization? No

Equipment Class

Equipment Class: DTS - Digital Transmission System
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant):	POS Terminal

Related OET KnowledgeDataBase Inquiry

Is there a KDB inquiry associated with this application? No

Modular Equipment

Modular Type: Does not apply

Application Purpose

Application is for: Original Equipment

Composite/Related Equipment

Is the equipment in this application a composite device subject to an additional equipment authorization? Yes

Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? No

Test Firm Information

Name of test firm and contact person on file with the FCC:

Firm Name: MRT Technology (Suzhou) Co., Ltd.

First Name: Mr. Marlin

Last Name: Chen

Telephone Number:

8651266308358

Extension:

880

E-mail: [email protected]

Grant Comments

Set the grant of this application to be deferred to a specified date:
No

Equipment Authorization Waiver

Is there an equipment authorization waiver associated with this application? No

If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?: No

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:

Does the applicant or authorized agent so certify? Yes

Applicant/Agent Certification:

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

Signature of Authorized Person Filing: Chenz Ker

Title of authorized signature: Manager

Complete items below if agent signs the application:

Firm Name: MRT Technology (Taiwan) Co., Ltd

Name: Chenz Chenz Chenz

Line 1: Chenz

Line 2: Chenz

P.O. Box: Chenz

City: Chenz

State: Chenz

Country: Chenz

Zip Code: Chenz

Telephone Number:

886-3-3288388

Fax Number: 886-3-3288918

E-mail: [email protected]

Application for Equipment Authorization FCC Form 731 TCB Version

Applicant Information

Applicant's complete, legal business name:	CASTLES TECHNOLOGY CO., LTD.
FCC Registration Number (FRN):	0017950627
Alphanumeric FCC ID:	WIYS1U2M4001
Unique Application Identifier:	0Qs6sV3yYm5CQhVJSA43+g==
Line one:	6F, NO. 207-5, SEC. 3, BEIXIN RD.,
Line two:	XINDIAN DISTRICT,
City:	NEW TAIPEI CITY
State:	N/A
Country:	Taiwan
Zip Code:	231030

TCB Information

TCB Application Email Address:	[email protected]
TCB Scope:	B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27

FCC ID

Grantee Code:	WIY
Product Code:	S1U2M4001

Person at the applicant's address to receive grant or for contact

Name:	Evelyn Chen
Title:	Project Manager of Product Certification Team

Telephone Number:

+886-2-8913-1771

Extension:

352

Fax Number:	886-2-8913-1772
Email:	[email protected]

Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Non Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City, Taiwan
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Long-Term Confidentiality

Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: Yes

Short-Term Confidentiality

Does short-term confidentiality apply to this application?: No

If so, specify the short-term confidentiality release date (MM/DD/YYYY format):
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio

Is this application for software defined/cognitive radio authorization? No

Equipment Class

Equipment Class: PCB - PCS Licensed Transmitter
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant):	POS Terminal

Related OET KnowledgeDataBase Inquiry

Is there a KDB inquiry associated with this application? No

Modular Equipment

Modular Type: Does not apply

Application Purpose

Application is for: Original Equipment

Composite/Related Equipment

Is the equipment in this application a composite device subject to an additional equipment authorization? Yes

Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? No

Test Firm Information

Name of test firm and contact person on file with the FCC:

Firm Name: MRT Technology (Suzhou) Co., Ltd.

First Name: Mr. Marlin

Last Name: Chen

Telephone Number:

8651266308358

Extension:

880

E-mail: [email protected]

Grant Comments

Enter any text that you would like to appear at the bottom of the Grant of Equipment Authorization:
Output power is ERP for Part 22 and Part 27, EIRP for Part 24 and Part 27. The antenna(s) used for this transmitter must be used to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance.

Set the grant of this application to be deferred to a specified date:
No

Equipment Authorization Waiver

Is there an equipment authorization waiver associated with this application? No

If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?: No

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:

Does the applicant or authorized agent so certify? Yes

Applicant/Agent Certification:

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

Signature of Authorized Person Filing: Chenz Ker

Title of authorized signature: Manager

Complete items below if agent signs the application:

Firm Name: MRT Technology (Taiwan) Co., Ltd

Name: Chenz Chenz Chenz

Line 1: Chenz

Line 2: Chenz

P.O. Box: Chenz

City: Chenz

State: Chenz

Country: Chenz

Zip Code: Chenz

Telephone Number:

886-3-3288388

Fax Number: 886-3-3288918

E-mail: [email protected]

Application for Equipment Authorization FCC Form 731 TCB Version

Applicant Information

Applicant's complete, legal business name:	CASTLES TECHNOLOGY CO., LTD.
FCC Registration Number (FRN):	0017950627
Alphanumeric FCC ID:	WIYS1U2M4001
Unique Application Identifier:	OGjK4dPD3170oVJXt/uyYQ==
Line one:	6F, NO. 207-5, SEC. 3, BEIXIN RD.,
Line two:	XINDIAN DISTRICT,
City:	NEW TAIPEI CITY
State:	N/A
Country:	Taiwan
Zip Code:	231030

TCB Information

TCB Application Email Address:	[email protected]
TCB Scope:	B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27

FCC ID

Grantee Code:	WIY
Product Code:	S1U2M4001

Person at the applicant's address to receive grant or for contact

Name:	Evelyn Chen
Title:	Project Manager of Product Certification Team

Telephone Number:

+886-2-8913-1771

Extension:

352

Fax Number:	886-2-8913-1772
Email:	[email protected]

Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City,
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Non Technical Contact

Firm Name:	MRT Technology (Taiwan) Co., Ltd
First Name:	Chenz
Last Name:	Ker
Line 1:	No. 38, Fuxing Second Rd., Guishan Dist.,
Line 2:	Taoyuan City,
Country:	Taiwan

Telephone Number:

886-3-3288388

Extension:

Fax Number:	886-3-3288918
E-Mail:	[email protected]

Long-Term Confidentiality

Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?: Yes

Short-Term Confidentiality

Does short-term confidentiality apply to this application?: No

If so, specify the short-term confidentiality release date (MM/DD/YYYY format):
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio

Is this application for software defined/cognitive radio authorization? No

Equipment Class

Equipment Class: PCB - PCS Licensed Transmitter
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant):	POS Terminal

Related OET KnowledgeDataBase Inquiry

Is there a KDB inquiry associated with this application? No

Modular Equipment

Modular Type: Does not apply

Application Purpose

Application is for: Class II permissive change or modification of presently authorized equipment

Composite/Related Equipment

Is the equipment in this application a composite device subject to an additional equipment authorization? Yes

Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization? No

Test Firm Information

Name of test firm and contact person on file with the FCC:

Firm Name: MRT Technology (Taiwan) Co., Ltd

First Name: Chenz

Last Name: Ker

Telephone Number:

88633288388

Extension:

Fax Number: +886-3-328-8918

E-mail: [email protected]

Grant Comments

Enter any text that you would like to appear at the bottom of the Grant of Equipment Authorization:
Class II Permissive Change : The change is to enable LTE Band B5/B13/B14/B26/B38/B41. Power Output is ERP for part 22, 90 and 27(Below 1GHz) and EIRP for 27(Above 1GHz). Power output is ERP for Part 22 and Part 27, EIRP for Part 24 and Part 27. The antenna(s) used for this transmitter must be used to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance.

Set the grant of this application to be deferred to a specified date:
No

Equipment Authorization Waiver

Is there an equipment authorization waiver associated with this application? No

If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?: No

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:

Does the applicant or authorized agent so certify? Yes

Applicant/Agent Certification:

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

Signature of Authorized Person Filing: Chenz Ker

Title of authorized signature: Manager

Complete items below if agent signs the application:

Firm Name: MRT Technology (Taiwan) Co. Ltd

Name: Chenz Chenz Chenz

Line 1: Chenz

Line 2: Chenz

P.O. Box: Chenz

City: Chenz

State: Chenz

Country: Chenz

Zip Code: Chenz

Telephone Number:

886-3-3288388

Fax Number: 886-3-3288918

E-mail: [email protected]

Applications are submitted for FCC ID and Grant requests. Click an above application to view details

Grants

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

CASTLES TECHNOLOGY CO., LTD.

6F, NO. 207-5, SEC. 3, BEIXIN RD.,

XINDIAN DISTRICT,

NEW TAIPEI CITY, 231030
Taiwan

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	PCS Licensed Transmitter
Notes:	POS Terminal

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	24E	1852.4 - 1907.6	0.206	2.5 PM	4M12F9W
	27	1712.4 - 1752.6	0.216	2.5 PM	4M12F9W
	22H	826.4 - 846.6	0.263	2.5 PM	4M13F9W
	24E	1850.7 - 1914.3	0.215	2.5 PM	17M8G7D
	24E	1850.7 - 1914.3	0.242	2.5 PM	4M47G7D
	24E	1850.7 - 1914.3	0.21	2.5 PM	17M8W7D
	24E	1850.7 - 1914.3	0.222	2.5 PM	13M4W7D
	27	1710.7 - 1779.3	0.228	2.5 PM	17M9G7D
	27	1710.7 - 1779.3	0.238	2.5 PM	4M49G7D
	27	1710.7 - 1779.3	0.185	2.5 PM	17M9W7D
	27	1710.7 - 1779.3	0.157	2.5 PM	17M9W7D
	27	699.7 - 715.3	0.273	2.5 PM	8M93G7D
	27	699.7 - 715.3	0.283	2.5 PM	2M69G7D
	27	699.7 - 715.3	0.202	2.5 PM	2M68W7D
	27	699.7 - 715.3	0.197	2.5 PM	8M93W7D

Output power is ERP for Part 22 and Part 27, EIRP for Part 24 and Part 27. The antenna(s) used for this transmitter must be used to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance.

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

CASTLES TECHNOLOGY CO., LTD.
6F, NO. 207-5, SEC. 3, BEIXIN RD., XINDIAN DISTRICT,
NEW TAIPEI CITY, 231030
Taiwan

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	PCS Licensed Transmitter
Notes:	POS Terminal
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	24E	1852.4 - 1907.6	0.206	2.5 PM	4M12F9W
	27	1712.4 - 1752.6	0.216	2.5 PM	4M12F9W
	22H	826.4 - 846.6	0.263	2.5 PM	4M13F9W
	24E	1850.7 - 1914.3	0.215	2.5 PM	17M8G7D
	24E	1850.7 - 1914.3	0.242	2.5 PM	4M47G7D
	24E	1850.7 - 1914.3	0.21	2.5 PM	17M8W7D
	24E	1850.7 - 1914.3	0.222	2.5 PM	13M4W7D
	27	1710.7 - 1779.3	0.228	2.5 PM	17M9G7D
	27	1710.7 - 1779.3	0.238	2.5 PM	4M49G7D
	27	1710.7 - 1779.3	0.185	2.5 PM	17M9W7D
	27	1710.7 - 1779.3	0.157	2.5 PM	17M9W7D
	27	699.7 - 715.3	0.273	2.5 PM	8M93G7D
	27	699.7 - 715.3	0.283	2.5 PM	2M69G7D
	27	699.7 - 715.3	0.202	2.5 PM	2M68W7D
	27	699.7 - 715.3	0.197	2.5 PM	8M93W7D

Mail To:

EA571634

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

CASTLES TECHNOLOGY CO., LTD.

6F, NO. 207-5, SEC. 3, BEIXIN RD.,

XINDIAN DISTRICT,

NEW TAIPEI CITY, 231030
Taiwan

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Unlicensed National Information Infrastructure TX
Notes:	POS Terminal

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15E	5180.0 - 5240.0	0.028
CC	15E	5260.0 - 5320.0	0.028
CC	15E	5500.0 - 5720.0	0.04
CC	15E	5745.0 - 5825.0	0.036

Power Output is conducted. The antenna(s) used for this transmitter must be used to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance. This device has 20 /40 /80 MHz bandwidth mode.

CC:	This device is certified pursuant to two different Part 15 rules sections.

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

CASTLES TECHNOLOGY CO., LTD.
6F, NO. 207-5, SEC. 3, BEIXIN RD., XINDIAN DISTRICT,
NEW TAIPEI CITY, 231030
Taiwan

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Unlicensed National Information Infrastructure TX
Notes:	POS Terminal
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15E	5180.0 - 5240.0	0.028
CC	15E	5260.0 - 5320.0	0.028
CC	15E	5500.0 - 5720.0	0.04
CC	15E	5745.0 - 5825.0	0.036

CC:	This device is certified pursuant to two different Part 15 rules sections.

Mail To:

EA501525

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

CASTLES TECHNOLOGY CO., LTD.

6F, NO. 207-5, SEC. 3, BEIXIN RD.,

XINDIAN DISTRICT,

NEW TAIPEI CITY, 231030
Taiwan

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Digital Transmission System
Notes:	POS Terminal

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.0061
CC	15C	2412.0 - 2462.0	0.064

CC:	This device is certified pursuant to two different Part 15 rules sections.

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

CASTLES TECHNOLOGY CO., LTD.
6F, NO. 207-5, SEC. 3, BEIXIN RD., XINDIAN DISTRICT,
NEW TAIPEI CITY, 231030
Taiwan

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Digital Transmission System
Notes:	POS Terminal
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.0061
CC	15C	2412.0 - 2462.0	0.064

CC:	This device is certified pursuant to two different Part 15 rules sections.

Mail To:

EA320849

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

CASTLES TECHNOLOGY CO., LTD.

6F, NO. 207-5, SEC. 3, BEIXIN RD.,

XINDIAN DISTRICT,

NEW TAIPEI CITY, 231030
Taiwan

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Part 15 Low Power Communication Device Transmitter
Notes:	POS Terminal

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	13.56 - 13.56

CC:	This device is certified pursuant to two different Part 15 rules sections.

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

CASTLES TECHNOLOGY CO., LTD.
6F, NO. 207-5, SEC. 3, BEIXIN RD., XINDIAN DISTRICT,
NEW TAIPEI CITY, 231030
Taiwan

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Part 15 Low Power Communication Device Transmitter
Notes:	POS Terminal
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	13.56 - 13.56

CC:	This device is certified pursuant to two different Part 15 rules sections.

Mail To:

EA604005

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands

Date of Grant: 04/02/2025

Application Dated: 03/28/2025

CASTLES TECHNOLOGY CO., LTD.

6F, NO. 207-5, SEC. 3, BEIXIN RD.,

XINDIAN DISTRICT,

NEW TAIPEI CITY, 231030
Taiwan

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	PCS Licensed Transmitter
Notes:	POS Terminal

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	24E	1852.4 - 1907.6	0.206	2.5 PM	4M12F9W
	27	1712.4 - 1752.6	0.216	2.5 PM	4M12F9W
	22H	826.4 - 846.6	0.263	2.5 PM	4M13F9W
	24E	1850.7 - 1914.3	0.215	2.5 PM	17M8G7D
	24E	1850.7 - 1914.3	0.242	2.5 PM	4M47G7D
	24E	1850.7 - 1914.3	0.21	2.5 PM	17M8W7D
	24E	1850.7 - 1914.3	0.222	2.5 PM	13M4W7D
	27	1710.7 - 1779.3	0.228	2.5 PM	17M9G7D
	27	1710.7 - 1779.3	0.238	2.5 PM	4M49G7D
	27	1710.7 - 1779.3	0.185	2.5 PM	17M9W7D
	27	1710.7 - 1779.3	0.157	2.5 PM	17M9W7D
	27	699.7 - 715.3	0.273	2.5 PM	8M93G7D
	27	699.7 - 715.3	0.283	2.5 PM	2M69G7D
	27	699.7 - 715.3	0.202	2.5 PM	2M68W7D
	27	699.7 - 715.3	0.197	2.5 PM	8M93W7D
	22H	824.7 - 848.3	0.28	2.5 PM	13M4G7D
	22H	824.7 - 848.3	0.283	2.5 PM	8M94G7D
	22H	824.7 - 848.3	0.209	2.5 PM	13M4W7D
	22H	824.7 - 848.3	0.214	2.5 PM	4M48W7D
	27	2502.5 - 2567.5	0.233	2.5 PM	17M8G7D
	27	2502.5 - 2567.5	0.255	2.5 PM	4M48G7D
	27	2502.5 - 2567.5	0.258	2.5 PM	17M8W7D
	27	2502.5 - 2567.5	0.267	2.5 PM	13M4G7D
	27	779.5 - 784.5	0.27	2.5 PM	8M91G7D
	27	779.5 - 784.5	0.287	2.5 PM	4M48G7D
	27	779.5 - 784.5	0.195	2.5 PM	8M90W7D
	27	779.5 - 784.5	0.203	2.5 PM	4M48W7D
	27	2498.5 - 2687.5	0.153	2.5 PM	17M8G7D
	27	2498.5 - 2687.5	0.154	2.5 PM	13M4G7D
	27	2498.5 - 2687.5	0.126	2.5 PM	17M8W7D
	27	2498.5 - 2687.5	0.13	2.5 PM	4M47W7D
	90	790.5 - 795.5	0.275	2.5 PM	8M93G7D
	90	790.5 - 795.5	0.29	2.5 PM	4M48G7D
	90	790.5 - 795.5	0.2	2.5 PM	8M92W7D
	90	790.5 - 795.5	0.231	2.5 PM	4M47W7D
	90	814.7 - 823.3	0.27	2.5 PM	13M4G7D
	90	814.7 - 823.3	0.27	2.5 PM	4M48G7D
	27	814.7 - 823.3	0.2	2.5 PM	13M4W7D
	90	814.7 - 823.3	0.22	2.5 PM	2M68W7D

Class II Permissive Change : The change is to enable LTE Band B5/B13/B14/B26/B38/B41. Power Output is ERP for part 22, 90 and 27(Below 1GHz) and EIRP for 27(Above 1GHz). Power output is ERP for Part 22 and Part 27, EIRP for Part 24 and Part 27. The antenna(s) used for this transmitter must be used to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance.

r="0" width="100%"> COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION COPY Certification

CASTLES TECHNOLOGY CO., LTD.
6F, NO. 207-5, SEC. 3, BEIXIN RD., XINDIAN DISTRICT,
NEW TAIPEI CITY, 231030
Taiwan

Date of Grant: 04/02/2025

Application Dated: 03/28/2025

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	PCS Licensed Transmitter
Notes:	POS Terminal
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	24E	1852.4 - 1907.6	0.206	2.5 PM	4M12F9W
	27	1712.4 - 1752.6	0.216	2.5 PM	4M12F9W
	22H	826.4 - 846.6	0.263	2.5 PM	4M13F9W
	24E	1850.7 - 1914.3	0.215	2.5 PM	17M8G7D
	24E	1850.7 - 1914.3	0.242	2.5 PM	4M47G7D
	24E	1850.7 - 1914.3	0.21	2.5 PM	17M8W7D
	24E	1850.7 - 1914.3	0.222	2.5 PM	13M4W7D
	27	1710.7 - 1779.3	0.228	2.5 PM	17M9G7D
	27	1710.7 - 1779.3	0.238	2.5 PM	4M49G7D
	27	1710.7 - 1779.3	0.185	2.5 PM	17M9W7D
	27	1710.7 - 1779.3	0.157	2.5 PM	17M9W7D
	27	699.7 - 715.3	0.273	2.5 PM	8M93G7D
	27	699.7 - 715.3	0.283	2.5 PM	2M69G7D
	27	699.7 - 715.3	0.202	2.5 PM	2M68W7D
	27	699.7 - 715.3	0.197	2.5 PM	8M93W7D
	22H	824.7 - 848.3	0.28	2.5 PM	13M4G7D
	22H	824.7 - 848.3	0.283	2.5 PM	8M94G7D
	22H	824.7 - 848.3	0.209	2.5 PM	13M4W7D
	22H	824.7 - 848.3	0.214	2.5 PM	4M48W7D
	27	2502.5 - 2567.5	0.233	2.5 PM	17M8G7D
	27	2502.5 - 2567.5	0.255	2.5 PM	4M48G7D
	27	2502.5 - 2567.5	0.258	2.5 PM	17M8W7D
	27	2502.5 - 2567.5	0.267	2.5 PM	13M4G7D
	27	779.5 - 784.5	0.27	2.5 PM	8M91G7D
	27	779.5 - 784.5	0.287	2.5 PM	4M48G7D
	27	779.5 - 784.5	0.195	2.5 PM	8M90W7D
	27	779.5 - 784.5	0.203	2.5 PM	4M48W7D
	27	2498.5 - 2687.5	0.153	2.5 PM	17M8G7D
	27	2498.5 - 2687.5	0.154	2.5 PM	13M4G7D
	27	2498.5 - 2687.5	0.126	2.5 PM	17M8W7D
	27	2498.5 - 2687.5	0.13	2.5 PM	4M47W7D
	90	790.5 - 795.5	0.275	2.5 PM	8M93G7D
	90	790.5 - 795.5	0.29	2.5 PM	4M48G7D
	90	790.5 - 795.5	0.2	2.5 PM	8M92W7D
	90	790.5 - 795.5	0.231	2.5 PM	4M47W7D
	90	814.7 - 823.3	0.27	2.5 PM	13M4G7D
	90	814.7 - 823.3	0.27	2.5 PM	4M48G7D
	27	814.7 - 823.3	0.2	2.5 PM	13M4W7D
	90	814.7 - 823.3	0.22	2.5 PM	2M68W7D

Mail To:

EA740456

TCB	GRANT OF EQUIPMENT AUTHORIZATION	TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

CASTLES TECHNOLOGY CO., LTD.

6F, NO. 207-5, SEC. 3, BEIXIN RD.,

XINDIAN DISTRICT,

NEW TAIPEI CITY, 231030
Taiwan

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	POS Terminal

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.011

CC:	This device is certified pursuant to two different Part 15 rules sections.

COPY	FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION	COPY
Certification

CASTLES TECHNOLOGY CO., LTD.
6F, NO. 207-5, SEC. 3, BEIXIN RD., XINDIAN DISTRICT,
NEW TAIPEI CITY, 231030
Taiwan

Date of Grant: 03/17/2025

Application Dated: 03/11/2025

Attention: Evelyn Chen , Project Manager of Product Certification Team

NOT TRANSFERABLE

EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.

FCC IDENTIFIER:	WIYS1U2M4001

Name of Grantee:	CASTLES TECHNOLOGY CO., LTD.

Equipment Class:	Part 15 Spread Spectrum Transmitter
Notes:	POS Terminal
Modular Type:	Does not apply

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
CC	15C	2402.0 - 2480.0	0.011

CC:	This device is certified pursuant to two different Part 15 rules sections.

Mail To:

EA944065

FCC ID WIYS1U2M4001

WIY-S1U2M4001, WIY S1U2M4001, WIYS1U2M4001, WIYS1U2M4OO1, WIYSIU2M400I, WIY51U2M4001, W1YS1U2M4001

CASTLES TECHNOLOGY CO., LTD. POS Terminal S1U2M4001

Purchase on Amazon: POS Terminal

Operating Frequencies

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