2AUDZ-X3video doorbell

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Local Representative Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2AUDZ-X3 X3, X1, X2, X5, X11, X12, X13, X15, X16, X17, X18, X19, X20, X22, X23, X25, X26, X27, X28, X29, X30 We hereby acknowledge as follows: i. both signees confirm that the point of contact accepts responsibility to act as a US- American Representative on behalf of the applicant ii. the point of contact provides the physical U.S. address and email as listed below iii. both parties maintain the requirements of this agreement 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. iv. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. US-American Point of Contact Applicant/Approval Holder Signature Date: 2026-06-16 Signature Date: 2026-06-16 Company Name: GLOCERTS TECHNOLOGY INC Shenzhen Keithy Innovation Technology Co., Ltd. FRN: 0036339737 0028708394 Contact Name: Huiying Fan Chunxing Zhou Address: 19784 SUNKISSED RIDGE DR, RIVERSIDE, CA 92507 RM101,Building B,Mili Cultural and Creative Park,No.6,Changfa East Road,Yangmei Community,Bantian Street,Longgsang District,Shenzhen,China Phone: (626) 588-8039 +86-755-26648642 Email: [email protected] [email protected]

Page 1 of 3 FCC ID: 2AUDZ-X3 External photos Page 2 of 3 FCC ID: 2AUDZ-X3 Page 3 of 3 FCC ID: 2AUDZ-X3

Label 1. The label is silk-screen on the sample FCC ID: 2AUDZ-X3

Page 1 of 3 FCC ID: 2AUDZ-X3 Internal photos FPC ANT Page 2 of 3 FCC ID: 2AUDZ-X3 Page 3 of 3 FCC ID: 2AUDZ-X3

Page 1 of 7 Report No.: AiTSZ-260417020FW2 Note: This device has been tested and found to comply with the standard(s) listed, this test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. RF Exposure evaluation Product Name : video doorbell Brand Name : N/A Model : X3 Series Model : X1, X2, X5, X11, X12, X13, X15, X16, X17, X18, X19, X20, X22, X23, X25, X26, X27, X28, X29, X30 FCC ID : 2AUDZ-X3 Applicant : Shenzhen Keithy Innovation Technology Co., Ltd. Address : RM101, Building B, Mili Cultural and Creative Park, No. 6, Changfa East Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen Manufacturer : Shenzhen Keithy Innovation Technology Co., Ltd. Address : Building B, Mili Cultural and Creative Park, Bantian, Longgang District, Shenzhen City Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : April 17, 2026 Date of Test : April 17, 2026~ June 05, 2026 Issued Date : June 08, 2026 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 7 Report No.: AiTSZ-260417020FW2 Report Revise Record Report Version Issued Date Notes M0 June 08, 2026 Initial Release Page 3 of 7 Report No.: AiTSZ-260417020FW2 Contents 1 GENERAL INFORMATION .......................................................................................................................................... 4 1.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 4 1.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 METHOD OF MEASUREMENT ................................................................................................................................... 6 2.1 APPLICABLE STANDARD.................................................................................................................................................. 6 2.2 LIMIT ......................................................................................................................................................................... 6 2.3 MPE CALCULATION METHOD ......................................................................................................................................... 7 2.4 ANTENNA INFORMATION ............................................................................................................................................... 7 2.5 MANUFACTURING TOLERANCE ........................................................................................................................................ 7 2.6 STANDALONE MPE RESULT ............................................................................................................................................ 7 2.7 CONCLUSION ............................................................................................................................................................... 7 Page 4 of 7 Report No.: AiTSZ-260417020FW2 1 GENERAL INFORMATION 1.1 Environmental conditions During the measurement the environmental conditions were within the listed ranges: Normal Temperature: 25°C Relative Humidity: 55 % Air Pressure: 101 kPa 1.2 General Description of EUT Product Name: video doorbell Model/Type reference: X3 Serial Model: X1, X2, X5, X11, X12, X13, X15, X16, X17, X18, X19, X20, X22, X23, X25, X26, X27, X28, X29, X30 Model difference: All models are the same except for the model name and color Power Supply: DC 3.7V from battery or DC 5V from external circuit Hardware Version: N/A Software Version: N/A Sample(s) Status: AiTSZ-260417020-1(Normal sample) AiTSZ-260417020-2(Engineer sample) 2.4G WIFI: Supported type: 802.11g Modulation: OFDM:BPSK,QPSK,16-QAM,64-QAM Operation frequency: 2412MHz~2462MHz Channel number: 11 Channel separation: 5MHz Antenna type: FPC antenna Antenna gain: 3.71dBi Remark: The above DUT's information was declared by manufacturer. For more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. Page 5 of 7 Report No.: AiTSZ-260417020FW2 1.3 Test Facility Test Laboratory: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China The test facility is recognized, certified or accredited by the following organizations: FCC-Registration No.: 251906 Designation Number: CN1376 Guangdong Asia Hongke Test Technology Limited has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC i…

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Page 1 of 31 Report No.: AiTSZ-260417020FW1 Note: This device has been tested and found to comply with the standard(s) listed, this test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : video doorbell Brand Name : N/A Model : X3 Series Model : X1, X2, X5, X11, X12, X13, X15, X16, X17, X18, X19, X20, X22, X23, X25, X26, X27, X28, X29, X30 FCC ID : 2AUDZ-X3 Applicant : Shenzhen Keithy Innovation Technology Co., Ltd. Address : RM101, Building B, Mili Cultural and Creative Park, No. 6, Changfa East Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen Manufacturer : Shenzhen Keithy Innovation Technology Co., Ltd. Address : Building B, Mili Cultural and Creative Park, Bantian, Longgang District, Shenzhen City Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : April 17, 2026 Date of Test : April 17, 2026~ June 05, 2026 Issued Date : June 08, 2026 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 31 Report No.: AiTSZ-260417020FW1 Report Revise Record Report Version Issued Date Notes M0 June 08, 2026 Initial Release Page 3 of 31 Report No.: AiTSZ-260417020FW1 Contents 1 TEST SUMMARY ....................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENERAL INFORMATION .......................................................................................................................................... 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 7 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 7 3 TEST CONDITIONS AND RESULTS .............................................................................................................................. 9 3.1 CONDUCTED EMISSIONS TEST ......................................................................................................................................... 9 3.2 RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 12 3.3 MAXIMUM PEAK CONDUCTED OUTPUT POWER ............................................................................................................... 19 3.4 POWER SPECTRAL DENSITY .......................................................................................................................................... 20 3.5 6DB BANDWIDTH ....................................................................................................................................................... 21 3.6 OUT-OF-BAND EMISSIONS ........................................................................................................................................... 22 3.7 ANTENNA REQUIREMENT ............................................................................................................................................. 24 4 TEST SETUP PHOTOGRAPHS OF EUT ....................................................................................................................... 25 5 PHOTOS OF EUT ..................................................................................................................................................... 26 Page 4 of 31 Report No.: AiTSZ-260417020FW1 1 TEST SUMMARY 1.1 Test Standards The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz ANSI C63.10: 2020: American National Standard for Testing Unlicensed Wireless Devic…

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Shenzhen Feimin Technology Co.,Ltd ADD: Room 303, Building C, Hengnan 1st Road, Gushu Community, Xixiang Street, Bao'an District, Shenzhen ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 2 目录 1.项目信息Project Information .................................................................................. 4 1.1. 外观尺寸Appearance and Dimensions .......................................................... 4 2.电气性能 Electrical Characteristics ......................................................................... 5 2.1. 测试环境条件Test Environment Conditions ................................................. 5 2.2. 测示方法Measurement method ..................................................................... 5 2.2.1. 天线电压驻波比Antenna VSWR ............................................................... 5 2.2.2. 天线回波损耗Antenna Return loss ................................................... 6 2.3. 天线无源测试数据 Antenna passive test data ................................. 6 2.3.1. 测试系统Test system ............................................................................... 6 2.3.2天线效率及增益Antenna efficiency and gain .............................. 7 2.3.3.天线辐射方向图Antenna Radiation Pattern ....................................... 7 3.天线装配位置Antenna assembly location ................................................................. 8 4.备注Notes .................................................................................................................... 8 5.产品包装规范Product packaging specification ......................................................... 9 ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 3 Revision history 版本 日期 状态 A1 2025-6-5 首版 ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 4 1. 项目信息Project Information 1.1. 外观尺寸Appearance and Dimensions ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 5 2. 电气性能 Electrical Characteristics 2.1. 测试环境条件Test Environment Conditions 温度Temperature Ordinary Temperature (5 to 35°C) 湿度Humidity Ordinary Humidity (25 to 85% RH) 2.2. 测示方法Measurement method 2.2.1. 天线电压驻波比Antenna VSWR ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 6 2.2.2. 天线回波损耗Antenna Return loss 2.3. 天线无源测试数据 Antenna passive test data 2.3.1. 测试系统Test system 深圳市飞敏科技有限公司（24探头OTA 微波暗室） ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 7 2.3.2天线效率及增益Antenna efficiency and gain 2.3.3.天线辐射方向图Antenna Radiation Pattern ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 8 3.天线装配位置Antenna assembly location 4.备注Notes 1、安装时注意不能离金属部分太近，以避免影响天线性能。 2、此款天线只适用此机型，天线的位置不可以随意改动，若用于其它机器上导致效果变差，与我司无 关。 3、本承认书所使用数据（如：天线效率、增益等）均为本承认项目/天线在深圳市飞敏科技有限公司 实验室测试所得出数据。 ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 9 5.产品包装规范Product packaging specification 产品名称: FPC天线 一、标签要求 内标签长7CM，宽4CM左右 外标签长7CM，5CM左右 二、装箱流程 作业说明： 1.产品__PCS用PE开口袋装好，每小袋贴好内标签； 将__小袋装入大PE封口胶带袋中，尾数及备品除外。 2.每箱装__大袋产品，将箱子用胶纸以“工”字形封箱。 3.在箱子的右上角贴上外标签，不可有漏填、填错现象。 三、注意事项 装箱时要注意将天线平整放好，封胶后不可出现严重晃 动情况，未填满整箱的情况需塞入泡棉填充，避免运输 过程中造成产品不良的情况。 客户名称 供 应 商 深圳市飞敏科技有限公司 订单编号 ************* 物料编码 ************* 规格型号 ****** 产品名称 ******* 数 量 *****PCS 检验 备品 ***PCS 备注 供 应 商 深圳市飞敏科技有限公司 产品名称 ****** 物料编码 ************ 规格型号 ********** 数 量 ***PCS 产品

Page 1 of 19 Report No.: AiTSZ-260417020FW1 Appendix RF test data for WIFI2.4G Page 2 of 19 Report No.: AiTSZ-260417020FW1 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) 802.11g SISO 2412 100.000 100.000 100.00 0.00 0.00 2437 100.000 100.000 100.00 0.00 0.00 2462 100.000 100.000 100.00 0.00 0.00 Page 3 of 19 Report No.: AiTSZ-260417020FW1 1.2 Test Graph 1.2.1 Ant1802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV Page 4 of 19 Report No.: AiTSZ-260417020FW1 Page 5 of 19 Report No.: AiTSZ-260417020FW1 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit 802.11g SISO 2412 1 16.509 / Pass 2437 1 16.455 / Pass 2462 1 16.494 / Pass 2.1.2 6dB BW Mode TX Type Frequency (MHz) ANT 6dB Bandwidth (MHz) Verdict Result Limit 802.11g SISO 2412 1 16.090 >=0.5 Pass 2437 1 16.116 >=0.5 Pass 2462 1 16.175 >=0.5 Pass Page 6 of 19 Report No.: AiTSZ-260417020FW1 2.2 Test Graph 2.2.1 OBW 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV Page 7 of 19 Report No.: AiTSZ-260417020FW1 Page 8 of 19 Report No.: AiTSZ-260417020FW1 2.2.2 6dB BW 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV Page 9 of 19 Report No.: AiTSZ-260417020FW1 Page 10 of 19 Report No.: AiTSZ-260417020FW1 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Mode TX Type Frequency (MHz) Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit 802.11g SISO 2412 14.60 <=30 Pass 2437 14.48 <=30 Pass 2462 14.55 <=30 Pass Note1: Antenna Gain: Ant1: 3.71dBi; Page 11 of 19 Report No.: AiTSZ-260417020FW1 4. Maximum Power Spectral Density 4.1 Test Result 4.1.1 PSD Mode TX Type Frequency (MHz) Maximum PSD (dBm) Verdict ANT1 Limit(dBm/3kHz) 802.11g SISO 2412 -6.45dBm/100kHz <=8 Pass 2437 -6.13dBm/100kHz <=8 Pass 2462 -6.40dBm/100kHz <=8 Pass Note1: Antenna Gain: Ant1: 3.71dBi; Page 12 of 19 Report No.: AiTSZ-260417020FW1 4.2 Test Graph 4.2.1 PSD 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV Page 13 of 19 Report No.: AiTSZ-260417020FW1 Page 14 of 19 Report No.: AiTSZ-260417020FW1 5. Unwanted Emissions In Non-restricted Frequency Bands 5.1 Test Result 5.1.1 Ref Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) 802.11g SISO 2412 1 -5.49 2437 1 -6.34 2462 1 -6.22 5.1.2 CSE Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) Limit (dBm) Verdict 802.11g SISO 2412 1 -5.49 -25.49 Pass 2437 1 -6.34 -26.34 Pass 2462 1 -6.22 -26.22 Pass Page 15 of 19 Report No.: AiTSZ-260417020FW1 5.2 Test Graph 5.2.1 Ref 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV Page 16 of 19 Report No.: AiTSZ-260417020FW1 Page 17 of 19 Report No.: AiTSZ-260417020FW1 5.2.2 CSE 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV Page 18 of 19 Report No.: AiTSZ-260417020FW1 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV Page 19 of 19 Report No.: AiTSZ-260417020FW1 ********************** End of Report **********************

Page 1 of 2 FCC ID: 2AUDZ-X3 Page 2 of 2 FCC ID: 2AUDZ-X3