FCC ID: 2AC23-WT251 WIFI+BT Module

Hui Zhou Gaoshengda Technology Co., LTD WT25M2501 WIFI+BT Module IEEE 802.11 a/b/g/n 2T/2R Model Number: WT25M2501 Product Descrition The WT25M2501 is a complete dual-band(2.4GHz and 5GHz)WIFI 22 MIMO module. This module provides a high level of integration with a dual-stream IEEE 802.11n MAC/ base band /radio and Bluetooth 5.0.The WLAN operation supports 20MHz,40MHz channels for data rates up to 300Mbps. It fully complies with IEEE 802.11 a/b/g/n feature rich wireless connectivity at high standards,delivers reliable,cost-effective, throughput from an extended distance. Product Features Product Specification Model Complies with IEEE 802.11b/g/n for 2.4GHz and IEEE 802.11a/n 5GHz Wireless LAN. Bluetooth v5.0 Two transmit and Two receive path(2T2R) Works with all existing network nfrastructure. Capable of up to 128-Bit WEP Encryption. Freedom to roam while staying connected. UP to 300 Mbps Transfer Rate in 802.11n mode of operation. Operating SystemsLinux,Win7, Win8, Win10,XP Low power consumption. Easy to install and configure. High speed USB 2.0 interface WIF+BT Module Product Name WT25M2501 Standard Interface 802.11 a/b/g/n USB Data Transfer Rate 1,2,5.5,6,11,12,18,22,24,30,36,48,54,60,90 and maximum of 300Mbps Modulation Method Frequency Band GFSK,/4-DQPSK,8DPSK(bluetooth) DQPSK,DBPSK,CCK(802.11b) QPSK,BPSK,16QAM,64QAM with OFDM (802.11g) QPSK,BPSK,16QAM,64QAM with OFDM (802.11n) QPSK,BPSK,16QAM,64QAM with OFDM (802.11a) QPSK,BPSK,16QAM,64QAM,256QAM with OFDM (802.11ac) BLUETOOTH 2402~2480 MHz WIFI 2.4G: 2412~2472 MHz 5G: 5150~5250MHz,5725~5850MHz Infrastructure Operation Mode Security WEP, TKIP, AES, WPA, WPA2 Operating Voltage 3.3V10%

Current Consumption 1000mA Antenna Type PIFA Operating Temperature 0 ~ 70C ambient temperature Storage Temperature

-40 ~ 80C ambient temperature Humidity 5 to 95 % maximum (non-condensing) PAGE 1 OF 2 Version 1.0 Hui Zhou Gaoshengda Technology Co., LTD WT25M2501 NOTICE:

please keep this product and accessories attached to the places which children can't touch;

do not splash water or other liquid onto this product, otherwise it may cause damage;

do not put this product near the heat source or direct sunlight, otherwise it may cause deformation or malfunction;

please keep this product away from flammable or naked flame;

please do not repair this product by yourself. Only qualified personnel can be repaired. 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) This device must accept any interference received, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Radiation Exposure Statement This equipment complies with FCC/IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body

- English:

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-exempt RSS(s). Operation is subject to the following two conditions:

(1) This device may not cause interference; and

(2) This device must accept any interference, including interference that may cause undesired operation of the device.

- French:

Cet appareil contient des metteurs / rcepteurs exempts de licence conformes aux RSS (RSS) d'Innovation, Sciences et Dveloppement conomique Canada. L'exploitation est autorise aux deux conditions suivantes :

(1) l'appareil ne doit pas produire de brouillage, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radio lectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement."

Dclaration d'exposition aux radiations Cet quipement est conforme aux limites d'exposition aux rayonnements FCC / IC dfinies pour un environnement non contr?l. Cet quipement doit tre install et utilis avec une distance minimale de 20 cm entre le radiateur et votre corps PAGE 2 OF 2 Version 1.0 Hui Zhou Gaoshengda Technology Co., LTD WT25M2501 Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules FCC Part 15 Subpart C 15.247 & 15.209&407 2.3 Specific operational use conditions The module is a WIFI+BT Module IEEE 802.11 a/b/g/n 2T/2R Operation Frequency: 2402-2480MHz/2412-2462/5150~5250MHz,5725~5850MHz The module can be used for mobile or portable applications with a maximum 1dBi antenna. The host manufacturer installing this module into their product must ensure that the final composit product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operaition. The host manufacturer has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user's manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. 2.4 Limited module procedures Not applicable. The module is a Single module and complies with the requirement of FCC Part 15.212. 2.5 Trace antenna designs Not applicable. The module has its own antenna, and doesnt need a hosts printed board microstrip trace antenna etc. 2.6 RF exposure considerations The module must be installed in the host equipment such that at least 20cm is maintained between the antenna and users body; and if RF exposure statement or module layout is changed, then the host product manufacturer required to take responsibility of the module through a change in FCC ID or new application. The FCC ID of the module cannot be used on the final product. In these circumstances, the host manufacturer will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. 2.7 Antennas Antenna Specification are as follows:

Type: PCB Antenna Gain: 1 dBi This device is intended only for host manufacturers under the following conditions:

The transmitter module may not be co-located with any other transmitter or antenna;

The module shall be only used with the internal antenna(s) that has been originally tested and certified with this module. The antenna must be either permanently attached or employa unique antenna coupler. As long as the conditions above are met, further transmitter test will not be required. However, the host manufacturer is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.). 2.8 Label and compliance information Host product manufacturers need to provide a physical or e-label stating Contains FCC ID: 2AC23-WT251 with their finished product. 2.9 Information on test modes and additional testing requirements Host manufacturer must perfom test of radiated & conducted emission and spurious emission, etc according to the actual test modes for a stand-alone modular transmitter in a host, as well as for multiple simultaneously transmitting modules or other transmitters in a host product. Only when all the test results of test modes comply with FCC requirements, then the end product can be sold legally. 2.10 Additional testing, Part 15 Subpart B disclaimer The modular transmitter is only FCC authorized for FCC Part 15 Subpart C 15.247 & 15.209 and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed. PAGE 3 OF 2 Version 1.0 Hui Zhou Gaoshengda Technology Co., LTD WT25M2501 Federal Communication Commission Statement (FCC, U.S.) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Caution:

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. IMPORTANT NOTES Co-location warning:

This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. OEM integration instructions:

This device is intended only for OEM integrators under the following conditions:

The transmitter module may not be co-located with any other transmitter or antenna. The module shall be only used with the external antenna(s) that has been originally tested and certified with this module. As long as the conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.). Validity of using the module certification:

In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization for this module in combination with the host equipment is no longer considered valid and the FCC ID of the module cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. End product labeling:

The final end product must be labeled in a visible area with the following: Contains Transmitter Module FCC ID: 2AC23-WT251 Information that must be placed in the end user manual:

The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user's manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. PAGE 4 OF 2 Version 1.0

C5266091_X10_Ed.1 Hui Zhou Gaoshengda Technology Co.,LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 12/21/2020 Subject: Request for Confidentiality FCC ID: 2AC23-WT251 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFRO.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Long-Term Confidentiali ID Label/Location Attestation Statement External Photos Block Diagram Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: /7#4 Guan Name:Hui Guan Title: Engineer 1/1

C5266091_X8_Ed.1 Letter of Authorization Company:Hui Zhou Gaoshengda Technology Co.,LTD Address: NO.75 Zhongkai Development AreaHuizhouGuangdongChina Product Name:WIFI+BT Module Model Number:W1T25M2501 FCC Identifier:2AC23-W1251 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name:Hui Guan Date:12/21/2020 Title: Engineer Signature of applicant: Hue Guan 1/1

C5266091_X9_Ed.1 Hui Zhou Gaoshengda Technology Co.,LTD Modular Transmitter Approval Request Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Company name: Hui Zhou Gaoshengda Technology Co.,LTD FCC ID: 2AC23-WT251 Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 Module Certification Guide v01r04. FCC ID : 2AC23-WT251,has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 Modular Certification Guide v01r04 The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal The module must contain power supply regulation on the module The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) The module must demonstrate compliance in a stand-alone configuration The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee The module must comply with RF exposure requirements Explanation from Grantee

(do not write yes/no, but explain why product complies/how it is achieved) The module has its own RF shielding. The modular has buffered data inputs, it is integrated in chip The modular has buffered data inputs, it is integrated in chip Antenna is independent fixed All power lines derived from the host device are regulated before energizing other circuits internal The label is independent fixed compliant with all applicable FCC rules. Detail instructions are given in the Users Manual approved to comply with the applicable RFexposure requirement, please see the MPE evaluation with 20cm as the distance restriction. Date: 12/21/2020 Name: Hui Guan Title: Engineer Signature of applicant 1/1

C5266091_X13_Ed.1 Hui Zhou Gaoshengda Technology Co.,LTD FCC Software Configuration Control Declaration Date: 12/21/2020 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attn: OET Dept. Product/ Model Number: W1T25M2501 Regarding FCC Country Code Selection guidelines identified in KDB 594280. All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Signature of applicant: 4 427 Name: Hui Guan Title: Engineer 1/1