2A7VD-H70B1Govee RGBIC Curtain Lights

Shenzhen Qianyan Technology LTD No.3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, China Date: 2022-12-15 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A7VD-H70B1 Confidentiality Request 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. ☒ Block Diagram ☐ Tune-Up Information ☒ Operational Description ☐ Security Information ☒ Schematics ☐ Software Defined Radio (SDR) Information ☐ Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); ☒ External Photos ☒ Test Setup Photos ☒ Internal Photos ☒ User Manual ☐ For 45 days, pursuant to Public Notice DA 04-1705. or ☒ For 180 days pursuant to KDB 726920 D01. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Shenzhen Qianyan Technology LTD ------------------------------- Xiaopeng Pan /Manager

Shenzhen Qianyan Technology LTD No.3301, Block C, Section 1, Chuangzhi Yuncheng, Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, China -------------------------------------------------------------------------------- (FCC ID：2A7VD-H70B1) POWER OF ATTORNEY DATE: 2022-12-15 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Shenzhen Qianyan Technology LTD are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Shenzhen Qianyan Technology LTD ------------------------------- (Xiaopeng Pan) (Manager)

Reference No.: WTX22X11220637W001/002 Page 2 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 Reference No.: WTX22X11220637W001/002 Page 3 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 3 EUT View 4 Reference No.: WTX22X11220637W001/002 Page 4 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 5 EUT View 6 Reference No.: WTX22X11220637W001/002 Page 5 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 7

Reference No.: WTX22X11220637W001/002 Page 1 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

Reference No.: WTX22X11220637W001/002 Page 6 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 Solder Board-Component View 1 Reference No.: WTX22X11220637W001/002 Page 7 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 2 Antenna View

1. RF Exposure Requirements 1.1 General Information Client Information Applicant: Shenzhen Qianyan Technology LTD Address of applicant: No.3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, China Manufacturer: Shenzhen Qianyan Technology LTD Address of manufacturer: No.3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, China General Description of EUT: Product Name: Govee RGBIC Curtain Lights Trade Name: Govee Model No.: H70B1 Adding Model(s): / Rated Voltage: DC5V Power Adapter Model: MODEL NO.: RKPO-UL0505000IP44-4 INPUT: AC100-240V~50/60Hz 0.9A OUTPUT: DC5V,5000mA 25W FCC ID: 2A7VD-H70B1 Equipment Type: Mobile device Technical Characteristics of EUT: Bluetooth Bluetooth Version: V4.2 (BLE mode) Frequency Range: 2402-2480MHz RF Output Power: -1.95dBm (Conducted) Data Rate: 1Mbps Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: PCB Antenna Antenna Gain: 3.59dBi Wi-Fi Support Standards: 802.11b, 802.11g, 802.11n Frequency Range: 2412-2462MHz for 802.11b/g/n(HT20) RF Output Power: 17.54dBm (Conducted) Type of Modulation: CCK, OFDM, QPSK, BPSK, 16QAM, 64QAM Quantity of Channels: 11 for 802.11b/g/n(HT20); 7 for 802.11n(HT40) Channel Separation: 5MHz Type of Antenna: PCB Antenna Antenna Gain: 3.85dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): The available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. P th is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): 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. R must be at least λ/2π, where λ is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 1.34-30 3,450 R 2 /f 2 30-300 3.83 R 2 300-1,500 0.0128 R 2 f 1,500-100,000 19.2R 2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (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). (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. 1.3 Calculated Result Radio Access Technology Min. Frequency Max. Output Power Max. Tune-Up Output Power Antenna Gain Duty Cycle Tune-Up EIRP (MHz) (dBm) (dBm) (dBi) (%) (dBm) Bluetooth 2402 -1.95 -1.50 3.59 100 2.09 Wi-Fi 2412 17.54 18.0 3.85 100 21.85 Frequency Option Min. Distance Tune-Up ERP Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 2402 C 20.00 -0.06 0.99 768.00 0.01 Pass 2412 C 20.00 19.70 93.33 768.00 0.12 Pass Note: 1. ERP=EIRP-2.15dB; EIRP= Output Power + Antenna gain 2. Option A, B and C refers as clause 1.2. 3. For option B, Pth(mW) convert to Exposure Limit(mW); For option C, ERP(W) convert to Exposure Limit(mW). 4. Ratio= Tune-Up ERP(mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Simultaneous Ratio Limit Result Pass/Fail Bluetooth+ Wi-Fi 0.01 0.12 0.13 1 Pass Result: Pass

Antennatestreport TestLaboratoryDongguanYijiaElectronicCo.,LTD Address No.59MuyuRoad,ShatouCommunity,Chang'anTown,Dongguan City,GuangdongProvince Contact:Mr.Gan13823198410 ModelH70B1 1.Testprocedures NameParameterMethodStandardNo. Mobile communication antenna VSWR Genericspecificaitonforantennasusedin themobilecommunications GB/T9410-2008 AntennaGain Radiationpattern Antenna Radiationefficiency IEEEStandardTestProceduresfor Antennas ANSI/IEEEStd149 -1979 2.TestEquipment EquipmentModelNo. Serial No. ManufactureCalibration Date Next calibration Date 24probe Microwave chamber MPS2450Multi- probeOTAme asurementsystems 5*5*5 YJ-PB-F01XH-IOE2022.09.012023.09.01 NetworkAnalyzer ZVB8YJ-RD-15 ROHDE&SCH WARS 2022.08.252023.08.25 Widebandradio Communication tester CMW500YJ-RD-16 ROHDE&SCH WARS 2022.08.252023.08.25 3.DUTSetupPhoto 4.Bluetooth&Wi-FiAntennaPhysicalSize BT WIFI 5.Bluetooth&Wi-FiAntennaType&Gain Type:PCBAntenna Frequency/MHzBT Gain/dBi 240 WIFI Gain/dBi 0 3.773.98 2410 3.593.85 2420 3.33.46 2430 3.293.03 2440 3.412.5 2450 3.512.63 2460 3.542.83 2470 3.473.03 2480 3.343.17 2490 3.443.11 2500 2.932.97 BT WIFI 6.BluetoothAntennaPattemPicture 2400MHz 2450MHz 2500MHz 7.WIFIAntennaPattemPicture 2400MHz 2450MHz 2500MHz Testerby：Wuxianming

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 38 TEST REPORT Reference No. .................... : WTX22X11220637W002 FCC ID ................................ : 2A7VD-H70B1 Applicant ........................... : Shenzhen Qianyan Technology LTD Address.............................. : No.3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, China Manufacturer ..................... : The same as Applicant Address.............................. : The same as Applicant Product Name ................... : Govee RGBIC Curtain Lights Model No.. .......................... : H70B1 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : 2022-11-14 Date of Test........................ : 2022-11-14 to 2022-11-18 Date of Issue ..................... : 2022-11-18 Test Report Form No. ....... : WTX_Part 15_247W Test Result ......................... : Pass Remarks: 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 approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Mike Shi Silin Chen Reference No.: WTX22X11220637W002 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 38 TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .........................................................................4 1.2 TEST STANDARDS .................................................................................................................................................5 1.3 TEST METHODOLOGY ...........................................................................................................................................5 1.4 TEST FACILITY ......................................................................................................................................................5 1.5 EUT SETUP AND TEST MODE ..............................................................................................................................6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................7 1.7 TEST EQUIPMENT LIST AND DETAILS ...................................................................................................................8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. ANTENNA REQUIREMENT ................................................................................................................................ 12 3.1 STANDARD APPLICABLE ..................................................................................................................................... 12 3.2 EVALUATION INFORMATION ................................................................................................................................ 12 4. POWER SPECTRAL DENSITY ........................................................................................................................... 13 4.1 STANDARD APPLICABLE ..................................................................................................................................... 13 4.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 13 4.3 TEST PROCEDURE .............................................................................................................................................. 13 4.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 13 5. DTS BANDWIDTH ................................................................................................................................................. 14 5.1 STANDARD APPLICABLE ..................................................................................................................................... 14 5.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 14 5.3 TEST PROCEDURE .............................................................................................................................................. 14 5.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 14 6. RF OUTPUT POWER ............................................................................................................................................ 15 6.1 STANDARD APPLICABLE ..................................................................................................................................... 15 6.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 15 6.3 TEST PROCEDURE .............................................................................................................................................. 15 6.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 15 7. FIELD STRENGTH OF SPURIOUS EMISSIONS…

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Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 56 TEST REPORT Reference No. .................... : WTX22X11220637W001 FCC ID ................................ : 2A7VD-H70B1 Applicant ........................... : Shenzhen Qianyan Technology LTD Address.............................. : No.3301, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, China Manufacturer ..................... : The same as Applicant Address.............................. : The same as Applicant Product Name ................... : Govee RGBIC Curtain Lights Model No... ......................... : H70B1 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : 2022-11-14 Date of Test........................ : 2022-11-14 to 2022-11-18 Date of Issue ..................... : 2022-11-18 Test Report Form No. ....... : WTX_Part 15_247W Test Result ......................... : Pass Remarks: 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 approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Mike Shi Silin Chen Reference No.: WTX22X11220637W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 56 TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .........................................................................4 1.2 TEST STANDARDS .................................................................................................................................................5 1.3 TEST METHODOLOGY ...........................................................................................................................................5 1.4 TEST FACILITY ......................................................................................................................................................5 1.5 EUT SETUP AND TEST MODE ..............................................................................................................................6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................7 1.7 TEST EQUIPMENT LIST AND DETAILS ...................................................................................................................8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. ANTENNA REQUIREMENT ................................................................................................................................ 12 3.1 STANDARD APPLICABLE ..................................................................................................................................... 12 3.2 EVALUATION INFORMATION ................................................................................................................................ 12 4. POWER SPECTRAL DENSITY ........................................................................................................................... 13 4.1 STANDARD APPLICABLE ..................................................................................................................................... 13 4.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 13 4.3 TEST PROCEDURE .............................................................................................................................................. 13 4.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 13 5. DTS BANDWIDTH ................................................................................................................................................. 14 5.1 STANDARD APPLICABLE ..................................................................................................................................... 14 5.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 14 5.3 TEST PROCEDURE .............................................................................................................................................. 14 5.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 14 6. RF OUTPUT POWER ............................................................................................................................................ 15 6.1 STANDARD APPLICABLE ..................................................................................................................................... 15 6.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 15 6.3 TEST PROCEDURE .............................................................................................................................................. 15 6.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 15 7. FIELD STRENGTH OF SPURIOUS EMISSIONS…

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Reference No.: WTX22X11220637W001/002 Page 8 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Conducted Emission Test Setup Radiation Emission Test Setup (Below 30MHz) Reference No.: WTX22X11220637W001/002 Page 9 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (30MHz to 1GHz) Radiation Emission Test Setup (1GHz to 18GHz) Reference No.: WTX22X11220637W001/002 Page 10 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (Above 18GHz) ***** END OF REPORT *****