2BDN3-GW20smart watch

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. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: 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 device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter. Radiation Exposure Statement The device has been evaluated to meet general RF exposure requirement in portable exposure condition without restriction.

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 4 EXTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 4 Fig.3 Fig.4 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 4 Fig.5 Fig.6 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 4 of 4 Fig.7

Label Location: FCC ID: 2BDN3-GW20

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 3 INTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 3 Fig.3 Fig.4 Bluetooth Antenna Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 3 Fig.5 Fig.6

Product specification Model: N/A Manufacturer: Shenzhen Yunchuang Century Technology Co., Ltd. Quick Reference Date Antenna module on the system board Frequenc Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dBi) 1.5dBi (Peak Gain) Input Impendence(ohm) 50 Polarization Type Vertical & Horizontal V.S.W.R < 1.4 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 XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.5 -1.5 -0.9 -6.6 -2.5 -6.1 60.2 % Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 1 of 34 Appendix Test Data for BT(BDR/EDR) (Conducted Measurement) Product Name: smart watch Trade Mark: N/A Test Model: GW20 FCC ID: 2BDN3-GW20 Environmental Conditions Temperature: 25.5C Relative Humidity: 55% ATM Pressure: 100.0 kPa Test Engineer: Anna Hu Supervised by: Hugo Chen NOTE N/A Appendix A: 20dB Emission Bandwidth Test Result TestMode Antenna Channel 20db EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.942 2401.553 2402.495 --- --- 2441 0.936 2440.553 2441.489 --- --- 2480 0.942 2479.553 2480.495 --- --- 2DH5 Ant1 2402 1.251 2401.382 2402.633 --- --- 2441 1.293 2440.358 2441.651 --- --- 2480 1.287 2479.358 2480.645 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 2 of 34 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 2DH5_Ant1_2402 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 3 of 34 2DH5_Ant1_2441 2DH5_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 4 of 34 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Channel OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.85297 2401.5809 2402.4339 --- --- 2441 0.85735 2440.5792 2441.4366 --- --- 2480 0.85861 2479.5767 2480.4353 --- --- 2DH5 Ant1 2402 1.1847 2401.4224 2402.6071 --- --- 2441 1.1796 2440.4223 2441.6019 --- --- 2480 1.1780 2479.4238 2480.6018 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 5 of 34 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 2DH5_Ant1_2402 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 6 of 34 2DH5_Ant1_2441 2DH5_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 7 of 34 Appendix C: Maximum Peak conducted output power Test Result TestMode Antenna Channel Result[dBm] Limit[dBm] Verdict DH5 Ant1 2402 1.5 ≤20.97 PASS 2441 2.15 ≤20.97 PASS 2480 2 ≤20.97 PASS 2DH5 Ant1 2402 2.31 ≤20.97 PASS 2441 2.91 ≤20.97 PASS 2480 2.77 ≤20.97 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 8 of 34 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 9 of 34 2DH5_Ant1_2402 2DH5_Ant1_2441 2DH5_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 10 of 34 Appendix D: Carrier frequency separation Test Result TestMode Antenna Channel Result[MHz] Limit[MHz] Verdict DH5 Ant1 Hop 0.958 ≥0.942 PASS 2DH5 Ant1 Hop 0.874 ≥0.862 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 11 of 34 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 12 of 34 Appendix E: Time of occupancy Test Result TestMode Antenna Channel BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH5 Ant1 Hop 2.884 130 0.375 ≤0.4 PASS 2DH5 Ant1 Hop 2.891 130 0.376 ≤0.4 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 13 of 34 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 14 of 34 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 15 of 34 Appendix F: Number of hopping channels Test Result TestMode Antenna Channel Result[Num] Limit[Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 16 of 34 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 17 of 34 Appendix G: Band edge measurements Test Result TestMode Antenna ChName Channel RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 1.32 -46.71 ≤-18.68 PASS High 2480 1.54 -47.59 ≤-18.47 PASS Low Hop_2402 0.22 -48.44 ≤-19.78 PASS High Hop_2480 1.58 -46.61 ≤-18.42 PASS 2DH5 Ant1 Low 2402 0.10 -46.71 ≤-19.9 PASS High 2480 1.65 -48.61 ≤-18.36 PASS Low Hop_2402 0.93 -50.38 ≤-19.08 PASS High Hop_2480 0.30 -48.48 ≤-19.7 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 18 of 34 Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 DH5_Ant1_High_Hop_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 19 of 34 2DH5_Ant1_Low_2402 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 20 of 34 2DH5_Ant1_High_Hop_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 21 of 34 Appendix H: Conducted Spurious Emission Test Result TestMode Antenna Channel FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 2402 Reference 0.95 0.95 --- PASS 30~1000 0.95 -61.84 ≤-19.05 PASS 1000~26500 0.95 -41.42 ≤-19.05 PASS 2441 Reference 1.21 1.21 --- PASS 30~1000 1.21 -62.14 ≤-18.79 PASS 1000~26500 1.21 -39.26 ≤-18.79 PASS 2480 Reference 1.13 1.13 --- PASS 30~1000 1.13 -62.14 ≤-18.87 PASS 1000~26500 1.13 -38.77 ≤-18.87 PASS 2DH5 Ant1 2402 Reference -2.76 -2.76 --- PASS 30~1000 -2.76 -60.65 ≤-22.76 PASS 1000~26500 -2.76 -41.34 ≤-22.76 PASS 2441 Reference 0.90 0.90 --- PASS 30~1000 0.90 -60.84 ≤-19.1 PASS 1000~26500 0.90 -39.24 ≤-19.1 PASS 2480 Reference -1.65 -1.65 --- PASS 30~1000 -1.65 -62.22 ≤-21.65 PASS 1000~26500 -1.65 -38.74 ≤-21.65 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 22 of 34 Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 DH5_Ant1_2441_0~Reference Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 Report No.: TZ231105101-E Page 23 of 34 DH5_Ant1_2441_30~1000 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference Shenzhen Tongzhou Testing Co.,Ltd FCC ID: …

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Report No.: TZ231105101-E Page 1 of 38 FCC TEST REPORT Test report On Behalf of Shenzhen Huaying Communication Co. LTD For smart watch Model No: GW20, GW9Max, GW9Ultra2, GW21, GW22, GW23, GW24, GW25, GW26, GW27, GW28, GW29, GW30, TW11, TW11Mini, TW12, TW13, TW15, TW16, TW17, TW18, TW19, TW20, TW21, TW22, TW23 FCC ID: 2BDN3-GW20 Prepared for : Shenzhen Huaying Communication Co. LTD 4 / F, Building 5, Saitu Digital Industrial Factory, No. 137, Bulan Road, Jihua Street, Longgang District, Shenzhen, China Prepared By : Shenzhen Tongzhou Testing Co.,Ltd 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China Date of Test: 2023/11/19 – 2023/11/27 Date of Report: 2023/11/28 Report Number: TZ231105101-E The test report apply only to the specific sample(s) tested under stated test conditions It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: TZ231105101-E Page 2 of 38 TEST RESULT CERTIFICATION Applicant’s name ................. : Shenzhen Huaying Communication Co. LTD Address .................................. : 4 / F, Building 5, Saitu Digital Industrial Factory, No. 137, Bulan Road, Jihua Street, Longgang District, Shenzhen, China Manufacture's Name ............ : Shenzhen Huaying Communication Co. LTD Address .................................. : 4 / F, Building 5, Saitu Digital Industrial Factory, No. 137, Bulan Road, Jihua Street, Longgang District, Shenzhen, China Product description Trade Mark ............................. : N/A Product name ........................... : smart watch Model No ................................ : GW20, GW9Max, GW9Ultra2, GW21, GW22, GW23, GW24, GW25, GW26, GW27, GW28, GW29, GW30, TW11, TW11Mini, TW12, TW13, TW15, TW16, TW17, TW18, TW19, TW20, TW21, TW22, TW23 Standards ............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.247 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Tongzhou Testing Co.,Ltd is acknowledged as copyright owner and source of the material. Shenzhen Tongzhou Testing Co.,Ltd takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................. ........... : Date (s) of performance of tests ........... : 2023/11/19-2023/11/27 Date of Issue ......................................... : 2023/11/28 Test Result ............................................ : PASS Testing Engineer : (Nancy Li) Technical Manager : (Hugo Chen) Authorized Signatory : (Andy Zhang) Report No.: TZ231105101-E Page 3 of 38 Revision History Revision Issue Date Revisions Revised By 00 2023/11/28 Initial Issue Andy Zhang Report No.: TZ231105101-E Page 4 of 38 TABLE OF CONTENTS Description Page 1. GENERAL INFORMATION ................................................................................................................ 5 1.1. Description of Device (EUT) ................................................................................................................... 5 1.2 Support equipment List ................................................................................................................................ 5 1.3 EUT configuration ......................................................................................................................................... 5 The following peripheral devices and interface cables were connected during the measurement: ....... 5 1.4 External I/O Cable ........................................................................................................................................ 5 1.5 Description of Test Facility .......................................................................................................................... 6 1.6 Statement of the Measurement Uncertainty ............................................................................................. 7 1.7 Measurement Uncertainty ........................................................................................................................... 7 1.8 Description of Test Modes .......................................................................................................................... 7 2. TEST METHODOLOGY ...................................................................................................................... 8 2.1 EUT Configuration ........................................................................................................................................ 8 2.2 EUT Exercise ................................................................................................................................................ 8 2.3 General Test Procedures ............................................................................................................................ 8 2.4. Test Sample ................................................................................................................................................. 8 3. SYSTEM TEST CONFIGURATION .................................................................................................. 9 3.1 Justification .................................................................................................................................................... 9 3.2 EUT Exercise Software ............................................................................................................................... 9 3.3 Special Accessories ..................................................................................................................................... 9 3.4 Block Diagram/Schematics ......................................................................................................................... 9 3.5 Equipment Modifications ..........…

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Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 2 TEST SETUP PHOTOS OF THE EUT Radiated Emission Below 1GHz Radiated Emission Above 1GHz Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2BDN3-GW20 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 2 Conducted Emission