2AC23-WXT42SWIFI+BT Module

User manual Supplementary information a) Trace layout and dimensions including specific designs for each type: 1. Layout of trace design, parts, antenna, connectors, and isolation requirements: 2. Boundary limits of size, thickness, length, width, shape(s), dielectric contain, and impedance must be clearly described for each type of antenna: PCB Antenna trace antenna Dimension: : 0.33*0.33mm Note: 1. RF trace between module RF pinout to antenna width is 0.8mm. 2. RF trace between module and antenna impedance is 0ohm. IPEX connector information: Size: Connector 1 IPEX Male pin 50Ω Surface mount varies b) Appropriate parts of manufacturers and specifications: Information about devices on RF lines: Parts list Parts number Size Manufacturer Tuning 1/0Ω / 0201 varies If customers completely refer to our antenna design for their own design, the antenna performance should also be the same as ours. C) Test procedures and design verifications: d) Production test procedures for ensuring compliance

Hui Zhou Gaoshengda Technology Co., LTD WXT42J1001S PAGE 1 OF 7 Version 1.0 WIFI+BT Module IEEE 802.11 a/b/g/n/ac/ax 1T/1R Model Number: WXT42J1001S Product Descrition The WXT42J1001S is a complete 2.4GHz/5GHz WIFI module. This module provides a high level of integration with IEEE 802.11ax MAC/ base band /radio and Bluetooth 5.0.The WLAN operation supports 20MHz,40MHz and 80MHz channels for data rates up to 600Mbps. It fully complies with IEEE 802.11 a/b/g/n/ac/ax feature rich wireless connectivity at high standards,delivers reliable,cost-effective, throughput from an extended distance. Product Features Product Specification Model WXT42J1001S Product Name WIFI+BT Module Standard 802.11 a/b/g/n/ac/ax Interface USB Data Transfer Rate Up to 600Mbps 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) QPSK,BPSK,16QAM,64QAM,256QAM,1024QAM with OFDMA (802.11ax) 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 -30 ~ 70°C ambient temperature Storage Temperature -40 ~ 85°C ambient temperature Humidity 10 to 90 % maximum (non-condensing) ◆ Complies with IEEE 802.11b/g/n/ax for 2.4GHz，IEEE 802.11a/n/ac/ax for 5GHz ◆ Bluetooth v5.0 ◆ One transmit and One receive path(1T1R) ◆ Works with all existing network nfrastructure. ◆ Capable of up to 128-Bit WEP Encryption. ◆ Freedom to roam while staying connected. ◆ UP to 600 Mbps High-Speed Transfer Rate in 802.11ax mode of operation. ◆ Operating Systems：Linux, Windows. ◆ Low power consumption. ◆ Easy to install and configure. ◆ SDIO interface. ◆ROHS compliant Hui Zhou Gaoshengda Technology Co., LTD WXT42J1001S PAGE 2 OF 7 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-WXT42S 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) Antenna type is a PIFA with no more than 1.72dBi gain at BT/BLE, 1.72 dBi for 2.4 G WIFI ,2.57 dBi gain for 5G WIFI . 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: applicable. Any deviation(s) from the defined parameters of the antenna trace, as described by the instructions, require that the host product manufacturer must notify the module grantee that they wish to change the antenna trace design. In this case, a Class II permissive change application is required to be filed by the grantee, or the host manufacturer can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application. Hui Zhou Gaoshengda Technology Co., LTD WXT42J1001S PAGE 3 OF 7 Version 1.0 The device must be professionally installed. The intended use is generally not for the general public. It is generally for industry/commercial use. The connector is within the transmitter enclosure and can only be accessed by disassembly of the transmitter that is not normally required. The user has no access to the connector. Insta…

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Hui Zhou Gaoshengda Technology Co.,LTD Date: 1/9/2024 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: 2AC23-WXT42S Grantee‘s FRN: 0023889280 1. Hui Zhou Gaoshengda Technology Co.,LTD certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. 2. Hui Zhou Gaoshengda Technology Co.,LTD certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely yours, Name: Hui Guan Job Title: Manger Company Name: Hui Zhou Gaoshengda Technology Co.,LTD

Hui Zhou Gaoshengda Technology Co.,LTD Date: 1/9/2024 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) Agent Designation Attestation FCC ID: 2AC23-WXT42S Grantee‘s FRN: 0023889280 Hui Zhou Gaoshengda Technology Co.,LTD as required by section 2.911(d)(7), designates the following agent, located in the United States, for purposes of acting as the applicant’s agent for service of process. The applicant acknowledges that they will maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility under CFR 47 §2.929(c) to inform the FCC whenever the agent information changes. U.S. Agent Information: Agent Company Name：VISHTEC LLC FCC FRN: 0033407131 Agent Contact Name: Alan Graham Agent US Address: 9888 W Belleview Ave Ste 2142 Denver CO 80123 Agent Email Address: [email protected] Sincerely yours, Name: Hui Guan Job Title: Manger Company Name: Hui Zhou Gaoshengda Technology Co.,LTD

Date: 3/13/2023 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) FCC US Agent Letter of Attestation Grantee Code: 2AC23 Grantee's FRN:0023889280 To whom it may concern: FCC US Agent Agent Company Name：VISHTEC LLC FCC FRN: 0033407131 Agent Contact Name: Alan Graham Agent US Address: 9888 W Belleview Ave Ste 2142 Denver CO 80123 Agent Email Address: [email protected] This letter is to confirm that we have accepted the responsibility to act as US Agent on behalf of Hui Zhou Gaoshengda Technology Co.,LTD (“the applicant”). We are aware of the requirements and responsibilities of the applicant’s agent for service of process as outlined in the FCC section 2.911(d)(7) and Report and Order FCC 22-84 paragraph 63. Sincerely, Signature Authorized Agent Contact Person Name: Alan Graham Agent contact Job Title: Compliance manager Agent Company name: VISHTEC LLC

Hui Zhou Gaoshengda Technology Co.,LTD Date: August 16, 202 3 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 To whom it may concern: I, the undersigned, hereby authorize UL Verification Services Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Verification Services Inc. on our behalf shall have the same effect as act s of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing UL Verification Services Inc. as our representative, we still recognize that we are responsible to: a)comply with the relevant provisions of the certification program; b)make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c)make claims regarding certification only in respect of the scope for which certification has been granted; d)do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e)upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f)use certification only to indicate the products are certified as being in conformity with specified standards; g)endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h)ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i)keep a record of all complaints made known to us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the when requested; j)take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k)document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signed by: Company Name: Hui Zhou Gaoshengda Technology Co.,LTD Contact Name: Hui Guan Title of Person: Manger Address: No.2,Jin-da Road,Huinan High-tech Industrial Park, Huizhou, Guangdong, China

Hui Zhou Gaoshengda Technology Co.,LTD Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: 2AC23-WXT42S To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. Schematic Diagram Block Diagram Theory of Operation 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. Best Regards Company Name: Hui Zhou Gaoshengda Technology Co.,LTD Contact Name: Hui Guan Title of Person: Manger Address: No.2, Jin-da Road, Huinan High-tech Industrial Park, Huizhou, Guangdong, China Date: 01/09/2023

Modular Approval Request FCC (Per 15.212) FCC ID: 2AC23-WXT42S Items to be covered Answer From Applicant 1. The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements. Yes 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over-modulation. Yes 3. The modular transmitter must have its own power supply regulation. Yes 4. The modular transmitter must comply with the antenna and transmission system requirements of §§ 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a “unique” antenna coupler (at all connections between the module and the antenna, including the cable). The “professional installation” provision of § 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. Yes 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in § 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see § 15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified and commercially available (see § 15.31(i)). Yes 6. The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. (A) If using a permanently affixed label, the modular transmitter must be labeled with its own FCC identification number, and, if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: XYZMODEL1” or “Contains FCC ID: XYZMODEL1.” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment Yes authorization. (B) If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).” Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 7. The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. Yes 8. Radio frequency devices operating under the provisions of this part are subject to the radio frequency radiation exposure requirements specified in §§ 1.1307(b), 1.1310, 2.1091, and 2.1093 of this chapter, as appropriate. Applications for equipment authorization of modular transmitters under this section must contain a statement confirming compliance with these requirements. The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. Technical information showing the basis for this statement must be submitted to the Commission upon request. Yes Note: If compliance with one or more of the numbered requirements, listed above, cannot be demonstrated, it may be possible to obtain a “Limited Modular Approval” (LMA) Hui Guan Title: Manager Company Name: Hui Zhou Gaoshengda Technology Co.,LTD Date: 01/09/2023

External Photographs Page 2 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch 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 Module Antenna Page 3 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch 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 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch 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 Page 5 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch 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-7 View of EUT-8 Page 6 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . Detail View of Antenna

15 GSD Note: This would be a plastic label with a permanent adhesive.

Internal Photographs Page 2 of 2 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . Internal View of EUT-1

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: WXT42J1001S FCC ID:2AC23-WXT42S REPORT NUMBER: 4791129886-1-RF-5 ISSUE DATE: January 8, 2024 Prepared for Hui Zhou Gaoshengda Technology Co.,LTD No.2,Jin-da Road,Huinan High-tech Industrial Park,Hui-ao Avenue,Huizhou City,Guangdong,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi- Tech Development Zone Dongguan, 523808, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4791129886-1-RF-5 Page 2 of 8 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 January 8, 2024 Initial Issue REPORT NO.: 4791129886-1-RF-5 Page 3 of 8 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.: 4791129886-1-RF-5 Page 4 of 8 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.2,Jin-da Road,Huinan High-tech Industrial Park,Hui-ao Avenue,Huizhou City,Guangdong,China Manufacturer Information Company Name: Hui Zhou Gaoshengda Technology Co.,LTD Address: No.2,Jin-da Road,Huinan High-tech Industrial Park,Hui-ao Avenue,Huizhou City,Guangdong,China EUT Information EUT Name: WIFI+BT Module Model: WXT42J1001S Sample Received Date: December 20, 2023 Sample ID: 6767728 Date of Tested: December 20, 2023 to January 5, 2024 Prepared By: Checked By: Fanny Huang Denny Huang Engineer Project Associate Senior Project Engineer Approved By: Stephen Guo Operations Manager APPLICABLE STANDARDS STANDARD TEST RESULTS 447498 D04 Interim General RF Exposure Guidance v01 PASS REPORT NO.: 4791129886-1-RF-5 Page 5 of 8 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.: 4791129886-1-RF-5 Page 6 of 8 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 provide…

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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 3 TEST REPORT For WIFI+BT Module MODEL NUMBER: WXT42J1001S FCC ID:2AC23-WXT42S IC:12290A-WXT42S REPORT NUMBER: 4791129886-1-RF-4 ISSUE DATE: January 5, 2024 Prepared for Hui Zhou Gaoshengda Technology Co.,LTD No.2,Jin-da Road,Huinan High-tech Industrial Park,Hui-ao Avenue,Huizhou City,Guangdong,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi- Tech Development Zone Dongguan, 523808, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4791129886-1-RF-4 Page 2 of 85 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 January 5, 2024 Initial Issue REPORT NO.: 4791129886-1-RF-4 Page 3 of 85 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 C63.10-2013, Clause 6.2 FCC Part 15.207 RSS-GEN Clause 8.8 Pass Conducted Output Power ANSI C63.10-2013, Clause 11.9.1.3 FCC Part 15.247 (b)(3) RSS-247 Clause 5.4 (d) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2013, Clause 11.8.1 FCC Part 15.247 (a)(2) RSS-247 Clause 5.2 (a) ISED RSS-Gen Clause 6.7 Pass Power Spectral Density ANSI C63.10-2013, Clause 11.10.2 FCC Part 15.247 (e) RSS-247 Clause 5.2 (b) Pass Conducted Band edge and spurious emission ANSI C63.10-2013, Clause 11.11 FCC Part 15.247(d) RSS-247 Clause 5.5 Pass Radiated Band edge and Spurious Emission ANSI C63.10-2013, Clause 11.12 & Clause 11.13 FCC Part 15.247 (d) FCC Part 15.205/15.209 RSS-247 Clause 5.5 RSS-GEN Clause 8.9 Pass Duty Cycle ANSI C63.10-2013, Clause 11.6 None; for reporting purposes only. Pass *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 and ISED RSS-247 Issue 3> when <Simple Acceptance> decision rule is applied. REPORT NO.: 4791129886-1-RF-4 Page 4 of 85 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 Bra…

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