2AC23-WKCT2MWIFI+BT Module

Hui Zhou Gaoshengda Technology Co., LTD WKCT2MM2501 PAGE 1 Version 1.0 WIFI+BT Module IEEE 802.11 a/b/g/n/ac 2T/2R Model Number: WKCT2MM2501 Product Descrition The WKCT2MM2501 is a complete dual-band(2.4GHz and 5GHz)WIFI 2×2 MIMO module. This module provides a high level of integration with a dual-stream IEEE 802.11ac MAC/ base band /radio and Bluetooth 5.4.The WLAN operation supports 20MHz,40MHz and 80MHz channels for data rates up to 866.7Mbps. It fully complies with IEEE 802.11 a/b/g/n/ac feature rich wireless connectivity at high standards,delivers reliable,cost-effective, throughput from an extended distance. Product Features ◆ Complies with IEEE 802.11b/g/n for 2.4GHz and IEEE 802.11a/n/ac 5GHz Wireless LAN. ◆ Bluetooth v5.4 ◆ 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 866.7 Mbps High-Speed Transfer Rate in 802.11ac mode of operation. ◆ Operating Systems：Linux,Windows ◆ Low power consumption. ◆ Easy to install and configure. ◆ High speed USB 2.0 interface ◆ ROHS compliant Product Specification Model WKCT2MM2501 Product Name WIF+BT Module Standard 802.11 a/b/g/n/ac Interface USB Data Transfer Rate Up to 866.7Mbps Modulation Method GFSK,π/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) Frequency Band BLUETOOTH 2402~2480 MHz WIFI 2.4G: 2412~2462 MHz 5G: 5150~5350MHz,5470~5725MHz,5725~5850MHz Operation Mode Infrastructure Security WEP, TKIP, AES, WPA, WPA2 Operating Voltage 3.3V±10% Current Consumption ＜1000mA Antenna Type PIFA Operating Temperature 0 ~ 70°C ambient temperature Storage Temperature -40 ~ 80°C ambient temperature Humidity 5 to 95 % maximum (non-condensing) Hui Zhou Gaoshengda Technology Co., LTD WKCT2MM2501 PAGE 2 Version 1.0 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. FCC Statement 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. This equipment 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 2.2 This module has been assessed against the following FCC rule parts: CFR 47 FCC Part 15 C (15.247, DTS and DSS) and CFR 47 FCC Part 15 E (NII). It is applicable to the modular transmitter 2.3 This radio transmitter 2AC23-WKCT2M has been approved by Federal Communications Commission to operate with the antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. The concrete contents to check are the following three points. １) Maximum antenna gains are shown in item 2.8 below. ２) Should be installed so that the end user cannot modify the antenna ３) Feed line should be designed in 50ohm Fine-tuning of return loss etc. can be performed using a matching network. The antenna shall not be accessible for modification or change by the end user. 2.4 The module complies with FCC Part 15.247 / Part 15.407 and apply for Single module approval. 2.5 Trace antenna designs: Not applicable, the antenna conector for this module are integrated into the module. Use of external antennas or antennas integrated into the host circuit board are not an option. 2.6 This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Hui Zhou Gaoshengda Technology Co., LTD WKCT2MM2501 PAGE 3 Version 1.0 2.7 The following antennas have been certified for use with this module. Only antennas of the same type with equal or lower gain may also be used with this module. Other types of antennas and/or higher gain antennas may require the additional authorization for operation. The installer should use unique antenna connector and Antenna types not included in this list that have a gain greater than the maximum gain…

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External Photographs Project No.:4792018472-1 Page 2 of 4 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. View of EUT-1 View of EUT-2 Page 3 of 4 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. View of EUT-3 View of EUT-4 Page 4 of 4 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. View of EUT-5 View of EUT-6

Appendix II Setup Photographs Project No.:4792018472-1 Page 2 of 6 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. AC Power Line Conducted Emission Page 3 of 6 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Radiated Band edge and Spurious Emission RADIATED RF MEASUREMENT SETUP (ABOVE 1 GHz) MEASUREMENT POSITION MEASUREMENT POSITION (X axis) Page 4 of 6 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. MEASUREMENT POSITION (Y axis) MEASUREMENT POSITION (Z axis) Page 5 of 6 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. RADIATED RF MEASUREMENT SETUP (30MHz~1GHz) RADIATED RF MEASUREMENT SETUP (Below 30MHz) Page 6 of 6 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Antenna Port Test

Client: GSD Antenna Test Report Project Name ：WKCT2M 汉阳天线 版权所有 Copyright ©2014-2024 Shenzhen HanyangAntenna Design Co., Ltd. All rights reserved. SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. Test Environment 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. Test Principle 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. Address of the testing laboratory :Shenzhen BaoanDistrict Qianjin2 Road BaoYundalogistics information building 12A11 Test Date: 11/21/2023 Test Engineer: Liu Deng Software name and version: GTS_MAX SIGN Libra1.2.7 Cal Date:11/5/2023 Test Standard:Genericstandard Test set-up: Test flow： 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. BT frequency band efficiency 2450MHZ 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. 3D radiation map of BT frequency band 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. BT frequency Band –S11/SWR WiFi-1 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WIFI-1 Frequency band efficiency 2450MHZ 5650MHZ WiFi-1 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WIFI-1 Frequency band 3D radiation map WiFi-1 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. WiFi-12.4G 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WiFi-1 Frequency band – S11/SWR WiFi-1 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. WiFi-15.8G 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WiFi-1 Frequency band – S11/SWR WiFi-2 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WIFI-2 Frequency band efficiency 2450MHZ 5650MHZ WiFi-2 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WIFI-2 Frequency band 3D radiation map WiFi-2 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. WiFi-12.4G 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WiFi-2 Frequency band – S11/SWR WiFi-2 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. WiFi-15.8G 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. WiFi-2 Frequency band – S11/SWR BT / WIFI1-2.4G / WIFI1-5G 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. Frequency band isolation BT / WIFI2-2.4G / WIFI2-5G 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. Frequency band isolation BT / WIFI1-2.4G / WIFI2-2.4G 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. Frequency band isolation BT / WIFI1-5G / WIFI2-5G 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved. 深圳汉阳天线设计有限公司 SHENZHEN HANYANG ANTENNA DESIGN CO.LTD. Frequency band isolation Address: 12A Floor, BaoyundaLogistics Information Building, QianjinRoad, Baoan District, Shenzhen. Phone：0755-23069700 SHENZHEN HANYANG ANTENNA DESIGNCO.LTD. Welcome calls consultations, negotiations and guidancecome! Thankyou 汉阳天线版权所有Copyright©2014-2024ShenzhenHanyangAntennaDesignCo.,Ltd.Allrightsreserved.

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C ISED RSS-247 Issue 4 TEST REPORT For WIFI+BT Module MODEL NUMBER: WKCT2MM2501 REPORT NUMBER: 4792018472-1-RF-2 ISSUE DATE: December 12, 2025 FCC ID: 2AC23-WKCT2M IC: 12290A-WKCT2M Prepared for Hui Zhou Gaoshengda Technology Co.,LTD No.6,Qiaoguang Road,Chenjiang Street,Zhongkai High-tech Zone,Huizhou,Guangdong,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4792018472-1-RF-2 Page 2 of 89 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 December 12, 2025 Initial Issue REPORT NO.: 4792018472-1-RF-2 Page 3 of 89 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) RSS-GEN Clause 6.8 Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 RSS-GEN Clause 8.8 Pass Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.2 FCC Part 15.247 (b)(3) RSS-247 Clause 6.3.2 Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) RSS-247 Clause 6.3.1 (a) RSS-Gen Clause 6.7 Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) RSS-247 Clause 6.3.1 (b) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) RSS-247 Clause 6.6 Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.12 FCC Part 15.247 (d) FCC Part 15.205/15.209 RSS-247 Clause 6.6 RSS-GEN Clause 8.9 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass Note: 1. For ISED, this report is also performed according to ANSI C63.10-2020 + Cor.1-2023 standards. *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C ISED RSS-247 Issue 4> when <Simple Acceptance> decision rule is applied. REPORT NO.: 4792018472-1-RF-2 Page 4 of 89 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 6 2. TEST METHODOLOGY ......................................................................................................... 7 3. FACILITIES AND ACCREDITATION ..................................................................................... 7 4. CALIBRATION AND UNCERTAINTY ................................................................................... 8 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 8 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 8 5. EQUIPMENT UNDER TEST .................................................................................................. 9 5.1. DESCRIPTION OF EUT ........................................................................................... 9 5.2. CHANNEL LIST ........................................................................................................ 9 5.3. MAXIMUM POWER .................................................................................................. 9 5.4. TEST CHANNEL CONFIGURATION ...................................................................... 10 5.5. THE WORSE CASE POWER SETTING PARAMETER .......................................... 10 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 10 5.7. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 11 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 12 7. ANTENNA PORT TEST RESULTS ..................................................................................... 15 7.1. CONDUCTED OUTPUT POWER ........................................................................... 15 7.2. 6DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ........................................ 16 7.3. POWER SPECTRAL DENSITY .............................................................................. 18 7.4. CONDUCTED BAND EDGE AND SPURIOUS EMISSION ..................................... 20 7.5. DUTY CYCLE ......................................................................................................... 22 8. RADIATED TEST RESULTS ............................................................................................... 23 8.1. RESTRICTED BANDEDGE .................................................................................... 31 8.2. SPURIOUS EMISSIONS(1 GHZ~3 GHZ) ............................................................... 38 8.3. SPURIOUS EMISSIONS(3 GHZ~18 GHZ) ............................…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C ISED RSS-247 Issue 4 TEST REPORT For WIFI+BT Module MODEL NUMBER: WKCT2MM2501 REPORT NUMBER: 4792018472-1-RF-3 ISSUE DATE: December 12, 2025 FCC ID: 2AC23-WKCT2M IC: 12290A-WKCT2M Prepared for Hui Zhou Gaoshengda Technology Co.,LTD No.6,Qiaoguang Road,Chenjiang Street,Zhongkai High-tech Zone,Huizhou,Guangdong,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4792018472-1-RF-3 Page 2 of 114 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 December 12, 2025 Initial Issue REPORT NO.: 4792018472-1-RF-3 Page 3 of 114 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) RSS-GEN Clause 6.8 Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 RSS-GEN Clause 8.8 Pass Conducted Output Power ANSI C63.10-2020, Clause 11.9.2.3.1 FCC Part 15.247 (b)(3) RSS-247 Clause 6.3.2 Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) RSS-247 Clause 6.3.1 (a) RSS-Gen Clause 6.7 Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.5 FCC Part 15.247 (e) RSS-247 Clause 6.3.1 (b) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) RSS-247 Clause 6.6 Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.12 FCC Part 15.247 (d) FCC Part 15.205/15.209 RSS-247 Clause 6.6 RSS-GEN Clause 8.9 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass Note: 1. For ISED, this report is also performed according to ANSI C63.10-2020 + Cor.1-2023 standards. *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C ISED RSS-247 Issue 4> when <Simple Acceptance> decision rule is applied. REPORT NO.: 4792018472-1-RF-3 Page 4 of 114 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 6 2. TEST METHODOLOGY ......................................................................................................... 7 3. FACILITIES AND ACCREDITATION ..................................................................................... 7 4. CALIBRATION AND UNCERTAINTY ................................................................................... 8 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 8 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 8 5. EQUIPMENT UNDER TEST .................................................................................................. 9 5.1. DESCRIPTION OF EUT ........................................................................................... 9 5.2. CHANNEL LIST ........................................................................................................ 9 5.3. MAXIMUM POWER .................................................................................................. 9 5.4. TEST CHANNEL CONFIGURATION ...................................................................... 10 5.5. THE WORSE CASE POWER SETTING PARAMETER .......................................... 10 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 12 5.7. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 13 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 14 7. ANTENNA PORT TEST RESULTS ..................................................................................... 17 7.1. CONDUCTED OUTPUT POWER ........................................................................... 17 7.2. 6DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ........................................ 18 7.3. POWER SPECTRAL DENSITY .............................................................................. 20 7.4. CONDUCTED BAND EDGE AND SPURIOUS EMISSION ..................................... 22 7.5. DUTY CYCLE ......................................................................................................... 24 8. RADIATED TEST RESULTS ............................................................................................... 25 8.1. RESTRICTED BANDEDGE .................................................................................... 33 8.2. SPURIOUS EMISSIONS(1 GHZ~3 GHZ) ............................................................... 51 8.3. SPURIOUS EMISSIONS(3 GHZ~18 GHZ) .......................…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. FCC RF EXPOSURE REPORT For WIFI+BT Module MODEL NUMBER: WKCT2MM2501 REPORT NUMBER: 4792018472-1-RF-5 FCC ID: 2AC23-WKCT2M ISSUE DATE: December 12, 2025 Prepared for Hui Zhou Gaoshengda Technology Co.,LTD No.6,Qiaoguang Road,Chenjiang Street,Zhongkai High-tech Zone,Huizhou,Guangdong,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4792018472-1-RF-5 Page 2 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 December 12, 2025 Initial Issue REPORT NO.: 4792018472-1-RF-5 Page 3 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 4 2. TEST METHODOLOGY ..................................................................................................... 5 3. FACILITIES AND ACCREDITATION ................................................................................. 5 4. REQUIREMENT ................................................................................................................. 6 REPORT NO.: 4792018472-1-RF-5 Page 4 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Hui Zhou Gaoshengda Technology Co.,LTD Address: No.6,Qiaoguang Road,Chenjiang Street,Zhongkai High-tech Zone,Huizhou,Guangdong,China Manufacturer Information Company Name: Hui Zhou Gaoshengda Technology Co.,LTD Address: No.6,Qiaoguang Road,Chenjiang Street,Zhongkai High-tech Zone,Huizhou,Guangdong,China EUT Information EUT Name: WIFI+BT Module Model: WKCT2MM2501 Brand: GSD Sample Received Date: November 6, 2025 Sample Status: Normal Sample ID: 9102780 Date of Tested: November 7, 2025 to December 11, 2025 APPLICABLE STANDARDS STANDARD TEST RESULTS 447498 D04 Interim General RF Exposure Guidance v01 PASS Prepared By: Checked By: Daniel Zhang Kebo Zhang Project Engineer Operations Leader Approved By: Stephen Guo Operations Manager REPORT NO.: 4792018472-1-RF-5 Page 5 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 2. TEST METHODOLOGY The tests documented in this report were performed in accordance with 47 CFR FCC Part 1 Subpart I, section 1.1307 and KDB 447498 D04 Interim General RF Exposure Guidance v01. 3. FACILITIES AND ACCREDITATION Accreditation Certificate A2LA (Certificate No.: 4102.01) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with A2LA. FCC (FCC Designation No.: CN1187) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. Has been recognized to perform compliance testing on equipment subject to the Commission's Declaration of Conformity (DoC) and Certification rules ISED (Company No.: 21320) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been registered and fully described in a report filed with ISED. The Company Number is 21320 and the test lab Conformity Assessment Body Identifier (CABID) is CN0046. VCCI (Registration No.: G-20192, C-20153, T-20155 and R-20202) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with VCCI, the Membership No. is 3793. Facility Name: Chamber D, the VCCI registration No. is G-20192 and R-20202 Shielding Room B, the VCCI registration No. is C-20153 and T-20155 Note 1: All tests measurement facilities use to collect the measurement data are located at Building 10, Innovation Technology Park, Song Shan Lake Hi tech Development Zone, Dongguan, 523808, China Note 2: The test anechoic chamber in UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch had been calibrated and compared to the open field sites and the test anechoic chamber is shown to be equivalent to or worst case from the open field site. Note 3: For below 30MHz, lab had performed measurements at test anechoic chamber and comparing to measurements obtained on an open field site. And these measurements below 30MHz had been correlated to measurements performed on an OFS. REPORT NO.: 4792018472-1-RF-5 Page 6 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 4. REQUIREMENT LIMIT AND CALCULATION METHOD According to 447498 D04 Interim General RF Exposure Guidance v01, 2.1.4 MPE-Based Exemption An alternative to the SAR-based exemption is provided in § 1.1307(b)(3)(i)(C), for a much wider frequency range, from 300 kHz…

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Internal Photographs Project No.:4792018472-1 Page 2 of 2 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan…

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