2AV7N-RAINBOWRAINBOW

GUANGZHOU RANTION TECHNOLOGY CO., LTD. Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No.28 Huangpu Park West Road, Huangpu District, Guangzhou, China Statement Product: RAINBOW Model: DBS-R30 Additional Model: DBS-R40 Trademark: DONNER We hereby state that DBS-R30 is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of DBS- R30 can represent the remaining models. for the marketing requirement. Your assistance on this matter is highly appreciated. Yours sincerely, Signature: Date: 2020/09/07 Name: Alan Xiang Company Name : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address: Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater BayArea, No.28 Huangpu Park West Road, Huangpu District, Guangzhou, China Tel / Fax: +8618680361735/+86020-81401406 E-Mail: [email protected]

GUANGZHOU RANTION TECHNOLOGY CO., LTD. 2022-09-07 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:2AV7N-RAINBOW Product Name: RAINBOW Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: Schematics  Block diagram  Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name: Alan Xiang Title: Certification Manager Company: GUANGZHOU RANTION TECHNOLOGY CO., LTD.

GUANGZHOURANTIONTECHNOLOGYCO., LTD. 2022-09-07 FederalCommunicationsCommission Authorization& EvaluationDivision 7345 OaklandMills Road Columbia,Maryland21046 Authorityto Act asAgent On our behalf, I appoint SHENZHEN TONGCE TESTING LAB / 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China(Name of Agent company name andaddress) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,Iack nowledge that all responsibility for complying with the terms and conditions for certification, still resides with GUANGZHOU RANTION TECHNOLOGY CO., LTD. /Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No. 28 Huangpu Park West Road, Huangpu District, Guangzhou, China (Applicant Name and address) <Signature> Name : Alan Xiang Title : CertificationManager ApplicantCompany: GUANGZHOURANTIONTECHNOLOGYCO., LTD.

Product specification Quick Reference Date Antenna module on the system board Frequency 2.45GHz *1 Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -2.3 (Input pwr – loss pwr) Peak EIRP(dBm) 1.3 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) -2.3 (58.5%) Gain (dBi) 1.3 Maximum Power (dBm) 1.3 (XY-plane) Minimum Power (dBm) -4(XY-plane) Avg. Power (dBm) -0.5(XY-plane) Max/Min Ratio (dB) 5.3(XY-plane) Max/Avg Ratio (dB) 1.8(XY-plane) Min/Avg Ratio (dB) -3.5(XY-plane) Average Gain (dB) -0.5 (Avg Gain XY-plane) All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.3 -0.5 1.3-3.8 1.1-3.058.5% Return Loss The Environment of Antenna Radiation Pattern 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

Page 1 of 4 Appendix C: Photographs of EUT Product: RAINBOW Model: DBS-R30 External Photos Page 2 of 4 Page 3 of 4 Page 4 of 4

Label Artwork and Location Model: DBS-R30 Label: Size: L*W= 50*25mm Location

Page 1 of 6 Appendix C: Photographs of EUT Product: RAINBOW Model: DBS-R30 Internal Photos Page 2 of 6 Page 3 of 6 Antenna Page 4 of 6 Page 5 of 6 Page 6 of 6

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AV7N-RAINBOW Test Report No. ............... : TCT220817E014 Date of issue ................... : Sep. 05, 2022 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No.28 Huangpu Park West Road, Huangpu District, Guangzhou, China Manufacturer's name ... : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No.28 Huangpu Park West Road, Huangpu District, Guangzhou, China Factory's name ............. : Shenzhen aiyoumei Technology Co., Ltd Address ........................... : 906, building 2, Henglang new industrial zone, Dalang street, Longhua District, Shenzhen Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : RAINBOW Trade Mark ...................... : DONNER Model/Type reference ..... : DBS-R30, DBS-R40 Rating(s) ......................... : Input: DC 5V, 1A Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Aug. 17, 2022 Date (s) of performance of test ................................... : Aug. 17, 2022 - Sep. 05, 2022 Tested by (+signature) ... : Aaron MO Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT220817E014 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information ................................................................... 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list............................................................................................................ 3 2. General Information .................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations ................................................................... 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ...................................................... 6 Report No.: TCT220817E014 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : RAINBOW Model/Type reference ........... : DBS-R30 Sample Number....................: TCT220817E013-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK, π/4-DQPSK, 8DPSK Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : 1.3dBi Rating(s) ............................... : Input: DC 5V, 1A Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 DBS-R30 Other models DBS-R40 Note: DBS-R30 is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of DBS-R30 can represent the remaining models. Report No.: TCT220817E014 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT220817E014 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recogniz…

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AV7N-RAINBOW Test Report No. ............... : TCT220817E013 Date of issue ................... : Sep. 05, 2022 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No.28 Huangpu Park West Road, Huangpu District, Guangzhou, China Manufacturer's name ... : GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address ........................... : Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No.28 Huangpu Park West Road, Huangpu District, Guangzhou, China Factory's name ............. : Shenzhen aiyoumei Technology Co., Ltd Address ........................... : 906, building 2, Henglang new industrial zone, Dalang street, Longhua District, Shenzhen Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : RAINBOW Trade Mark ...................... : DONNER Model/Type reference..... : DBS-R30, DBS-R40 Rating(s).......................... : Input: DC 5V, 1A Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Aug. 17, 2022 Date (s) of performance of test ................................... : Aug. 17, 2022 - Sep. 05, 2022 Tested by (+signature) ... : Aaron MO Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT220817E013 Page 2 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 4 2. Test Result Summary .............................................................................. 5 3. General Information ................................................................................. 6 3.1. Test environment and mode ................................................................................. 6 3.2. Description of Support Units ................................................................................ 6 4. Facilities and Accreditations .................................................................. 7 4.1. Facilities ................................................................................................................. 7 4.2. Location ................................................................................................................. 7 4.3. Measurement Uncertainty ..................................................................................... 7 5. Test Results and Measurement Data ..................................................... 8 5.1. Antenna requirement ............................................................................................ 8 5.2. Conducted Emission ............................................................................................. 9 5.3. Conducted Output Power ................................................................................... 13 5.4. 20dB Occupy Bandwidth .................................................................................... 14 5.5. Carrier Frequencies Separation ......................................................................... 15 5.6. Hopping Channel Number .................................................................................. 16 5.7. Dwell Time ............................................................................................................ 17 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 18 5.9. Conducted Band Edge Measurement ................................................................ 19 5.10.Conducted Spurious Emission Measurement .................................................. 20 5.11.Radiated Spurious Emission Measurement ..................................................... 21 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT220817E013 Page 3 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : RAINBOW Model/Type reference........... : DBS-R30 Sample Number....................: TCT220817E013-0101 Bluetooth Version ................ : V5.1 Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1/2/3 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK, π/4-DQPSK, 8DPSK Modulation Technology ....... : FHSS Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : 1.3dBi Rating(s)................................ : Input: DC 5V, 1A Rechargeable Li-ion Battery DC 3.7V Note: The anten…

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Report No.: TCT220817E013 Page 83 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 2-DH5 2441MHz One Burst Dwell NVNT 2-DH5 2441MHz Accumulated Report No.: TCT220817E013 Page 84 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH1 2441MHz One Burst Dwell NVNT 3-DH1 2441MHz Accumulated Report No.: TCT220817E013 Page 85 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH3 2441MHz One Burst Dwell NVNT 3-DH3 2441MHz Accumulated Report No.: TCT220817E013 Page 86 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH5 2441MHz One Burst Dwell NVNT 3-DH5 2441MHz Accumulated Report No.: TCT220817E013 Page 87 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Appendix B: Photographs of Test Setup Product: RAINBOW Model: DBS-R30 Radiated Emission Report No.: TCT220817E013 Page 88 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Conducted Emission Report No.: TCT220817E013 Page 89 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Appendix C: Photographs of EUT Product: RAINBOW Model: DBS-R30 External Photos Report No.: TCT220817E013 Page 90 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT220817E013 Page 91 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT220817E013 Page 92 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT220817E013 Page 93 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Product: RAINBOW Model: DBS-R30 Internal Photos Report No.: TCT220817E013 Page 94 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT220817E013 Page 95 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT220817E013 Page 96 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT220817E013 Page 97 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT220817E013 Page 98 of 98 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com *****END OF REPORT*****

Page 1 of 2 Appendix B: Photographs of Test Setup Product: RAINBOW Model: DBS-R30 Radiated Emission Page 2 of 2 Conducted Emission