2A8WN-MJ301Multimedia Video Audio

FM: FM Receiver AM: AM Receiver FCC warning statements: 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, usesr 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. The device has been evaluated to meet general RF exposure requirement. -11 -12

Dongguan Maijun Electronic Technology Co., Ltd 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Dongguan Maijun Electronic Technology Co., Ltd Address: Building 1, No. 31, Jingang South Road, Shatian Town, Dongguan City, Guangdong Province, China Product Name: Multimedia Video Audio FCC ID: 2A8WN-MJ301 Model(s): MJ301 2.911(d)(5)(i) Equipment Type We, Dongguan Maijun Electronic Technology Co., Ltd (“the applicant”) certify that the equipment for which authorization is sought through certification is not: • Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. • Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Signature: Date: 2023-06-10 Name: Yang Linyuan Title: Manager E-mail [email protected] Company: Dongguan Maijun Electronic Technology Co., Ltd NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https:// apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https:// www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Dongguan Maijun Electronic Technology Co., Ltd 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List) Company name: Dongguan Maijun Electronic Technology Co., Ltd Address: Building 1, No. 31, Jingang South Road, Shatian Town, Dongguan City, Guangdong Province, China Product Name: Multimedia Video Audio FCC ID: 2A8WN-MJ301 Model(s): MJ301 2.911(d)(5)(ii) Applicant filing We, Dongguan Maijun Electronic Technology Co., Ltd (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Signature: Date: 2023-06-10 Name: Yang Linyuan Title: Manager E-mail [email protected] Company: Dongguan Maijun Electronic Technology Co., Ltd NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https:// apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https:// www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Dongguan Maijun Electronic Technology Co., Ltd Agent Authorization Company name: Dongguan Maijun Electronic Technology Co., Ltd Address: Building 1, No. 31, Jingang South Road, Shatian Town, Dongguan City, Guangdong Province, China Product Name: Multimedia Video Audio FCC ID: 2A8WN-MJ301 Model(s): MJ301 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2023-06-10 Name: Yang Linyuan Title: Manager E-mail [email protected] Company: Dongguan Maijun Electronic Technology Co., Ltd

Dongguan Maijun Electronic Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-0 6-10 Subject; Request for Long Term Confidentiality FCC ID: 2A8WN-MJ301 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Date: 2023-06-10 Name: Yang Linyuan Title: Manager E-mail [email protected] Company: Dongguan Maijun Electronic Technology Co., Ltd

Appendix II external photos ------End------

Lable: FCC ID: 2A8WN-MJ301 Label location

Appendix III internal photos BT Antenna Location FM Receiver Antenna Location ------End------

FCC ID: 2A8WN-MJ301 RF Exposure Evaluation TEST STANDARDS Follow the maximum permissible exposure (MPE) limits specified in 447498 D04 Interim General Radio Frequency Exposure Guidelines v01. The gain of the antenna used in the product was extracted from the supplied antenna data sheet and the maximum total power input to the antenna was also measured. Calculate the distance from the product to the MPE limit by the formula. LIMIT For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: (C) Or using below table and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). FCC ID: 2A8WN-MJ301 For multiple RF sources: Multiple RF sources are exempt if: (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). This exemption may not be used in conjunction with other exemption criteria other than those is paragraph (b)(3)(i)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(i)(A). (B) in the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. Where: a = number of fixed, mobile, or portable RF sources claiming exemption using paragraph (b)(3)(i)(B) of Part 1.1307 for Pth, including existing exempt transmitters and those being added. b = number of fixed, mobile, or portable RF sources claiming exemption using paragraph (b)(3)(i)(C) of Part 1.1307 for Threshold ERP, including existing exempt transmitters and those being added. c = number of existing fixed, mobile, or portable RF sources with known evaluation for the specified minimum distance including existing evaluated transmitters. Pi = the available maximum time-averaged power or the ERP, whichever is greater, for fixed, mobile, or portable RF source i at a distance between 0.5 cm and 40 cm (inclusive). Pth,i = the exemption threshold power (Pth) according to paragraph (b)(3)(i)(B) of this section for fixed, mobile, or portable RF source i. FCC ID: 2A8WN-MJ301 ERPj = the ERP of fixed, mobile, or portable RF source j. ERPth,j = exemption threshold ERP for fixed, mobile, or portable RF source j, at a distance of at least λ/2π according to the applicable formula of paragraph (b)(3)(i)(C) of Part 1.1307. Evaluatedk = the maximum reported SAR or MPE of fixed, mobile, or portable RF source k either in the device or at the transmitter site from an existing evaluation at the location of exposure. Exposure Limitk = either the general population/uncontrolled maximum permissible exposure (MPE) or specific absorption rate (SAR) limit for each fixed, mobile, or portable RF source k, as applicable from § 1.1310. Test Result of RF Exposure Evaluation Protocol Fre. (GHz) Output power (dBm) ANT Gain (dBi) Max EIRP (dBm) Max EIRP (mW) Separation distance (cm) Limit (mW) Result BT 2.441 1.83 1.42 3.25 2.11 0.5 2.77 PASS Note: 1. This device is portable device. 2. The source of the evaluation data results is based on the test report ET-23060550E. 3. The Maxinum power is less than the limit, complies with the exemption requirements.

鸿泰电子有限公司 HT22-008 REV1.0 客户名称： 产品名称：2.4GHz Antenna L=250mm 产品料号：HT-P09-250 客户料号： 送样日期：2021-04-01 工程确认： 核准 工程 制作 签章 Approval Quality Engineer 客户确认 ： 核准 研发 品质 签章 确认结果： □ 合格 □ 不合格 □ 其它 鸿泰电子有限公司 HT22-008 REV1.0 承认书项目表 ItemDescription 1.............................................承认书封面 2.............................................承认书项目表 3.............................................工程图面 4.............................................电性测试报告 鸿泰电子有限公司 HT22-008 REV1.0 RFAntennaCableAssembly Specification 1. Electrical Properties 1.1 Frequency Range........................2.4GHz-2.5GHz 1.2 Impedance.................................50 Ω Nominal 1.3 VSWR..........................................1.92:1MAX 1.4 Return Loss.................................-10dB Max 1.5 Gain(peak).................................2dBi 1.6 Cable loss....................................0.3dBi Max 1.7 Polarization.................................Linear Vertical 1.8 Admitted Power..............................3W 1.9 Cable..........................................1.13MM 1.10 Conn....................................... IPEX ...2. Physical Properties: 2.1 Antenna Material................................. PCB 2.4 Operating Temp..............................-20°C- +65°C 2.5 Storage Temp.................................-30°C- +75°C 2.5 Color.............................................Black 鸿泰电子有限公司 HT22-008 REV1.0 一 驻波比 二效率 鸿泰电子有限公司 HT22-008 REV1.0 3D pattern(wifi频段中间频点2450MHz

Report No.: ET-23060550E This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen ETR Standard Technology Co., Ltd. TEST REPORT Applicant: Dongguan Maijun Electronic Technology Co., Ltd Address of Applicant: Building 1, No. 31, Jingang South Road, Shatian Town, Dongguan City, Guangdong Province, China Manufacturer/Factory: Dongguan Maijun Electronic Technology Co., Ltd Address of Manufacturer/Factory: Building 1, No. 31, Jingang South Road, Shatian Town, Dongguan City, Guangdong Province, China Product Name: Multimedia Video Audio Model No.: MJ301 Trade Mark: N/A FCC ID: 2A8WN-MJ301 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Test: May.23, 2023- June.02, 2023 Date of report issued: June.02, 2023 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Remark: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver Prepared By Shenzhen ETR Standard Technology Co., Ltd. Address: No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Compiled by: Reviewed by: Approved by: Project Engineer Project Manager Authorized Signature Page 2 of 47 Report No.: ET-23060550E Report Revision History Report No. Description Issue Date ET-23060550E Original June.02, 2023 Page 3 of 47 Report No.: ET-23060550E Tel:(86-755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Contents Page 1 TEST SUMMARY ..................................................................................................................................... 4 2 GENERAL INFORMATION ...................................................................................................................... 5 2.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 2.2 TEST MODE ........................................................................................................................................ 7 2.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 2.4 DEVIATION FROM STANDARDS ............................................................................................................. 7 2.5 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................... 7 2.6 TEST FACILITY .................................................................................................................................... 7 2.7 TEST LOCATION .................................................................................................................................. 7 2.8 ADDITIONAL INSTRUCTIONS ................................................................................................................. 7 3 TEST INSTRUMENTS LIST ..................................................................................................................... 8 4 TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 9 4.1 ANTENNA REQUIREMENT ..................................................................................................................... 9 4.2 CONDUCTED EMISSIONS ................................................................................................................... 10 4.3 CONDUCTED PEAK OUTPUT POWER .................................................................................................. 13 4.4 20DB EMISSION BANDWIDTH ............................................................................................................. 14 4.5 CARRIER FREQUENCIES SEPARATION ................................................................................................ 18 4.6 HOPPING CHANNEL NUMBER ............................................................................................................. 22 4.7 DWELL TIME ..................................................................................................................................... 24 4.8 BAND EDGE ...................................................................................................................................... 29 4.8.1 Conducted Emission Method ..................................................................................................... 29 4.8.2 Radiated Emission Method ........................................................................................................ 33 4.9 SPURIOUS EMISSION ........................................................................................................................ 35 4.9.1 Conducted Emission Method ..................................................................................................... 35 4.9.2 Radiated Emission Method ........................................................................................................ 39 5 TEST SETUP PHOTO ............................................................................................................................ 47 6 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 47 Page 4 of 47 Report No.: ET-23060550E Tel:(86-755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 1 Test Summary Test Item Section in CFR 47 Result Test by Antenna Re…

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Appendix I Test Setup Photo 1.1. Photos of Radiated emission 1.2. Photos of Conducted Emission test ------End------