2AO47-KW39smart 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: 2AO47-KW39 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: 2AO47-KW39 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: 2AO47-KW39 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: 2AO47-KW39 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: 2AO47 -KW39

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 4 INTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 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: 2AO47-KW39 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 Bluetooth Antenna Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 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 Fig.8

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 3 RADIO FREQUENCY EXPOSURE Limit According to section B.4 of 447498 D04 Interim General RF Exposure Guidance v01 SAR-based thresholds are derived based on frequency, power, and separation distance of the RF source. The formula defines the thresholds in general for either available maximum time-averaged power or maximum time-averaged ERP, whichever is greater. If the ERP of a device is not easily determined, such as for a portable device with a small form factor, the applicant may use the available maximum time-averaged power exclusively if the device antenna or radiating structure does not exceed an electrical length of λ/4. As for devices with antennas of length greater than λ/4 where the gain is not well defined, but always less than that of a half-wave dipole (length λ/2), the available maximum time-averaged power generated by the device may be used in place of the maximum time-averaged ERP, where that value is not known. The separation distance is the smallest distance from any part of the antenna or radiating structure for all persons, during operation at the applicable ERP. In the case of mobile or portable devices, the separation distance is from the outer housing of the device where it is closest to the antenna. The SAR-based exemption formula of § 1.1307(b)(3)(i)(B), repeated here as Formula (B.2), applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold Pth (mW). This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by Formula (B.2). Where and f is in GHz, d is the separation distance (cm), and ERP 20cm is per Formula (B.1). Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 3 The example values shown in Table B.2 are for illustration only. Frequency (MHz) Distance (mm) 5 10 15 20 25 30 35 40 45 50 300 39 65 88 110 129 148 166 184 201 217 450 22 44 67 89 112 135 158 180 203 226 835 9 25 44 66 90 116 145 175 207 240 1900 3 12 26 44 66 92 122 157 195 236 2450 3 10 22 38 59 83 111 143 179 219 3600 2 8 18 32 49 71 96 125 158 195 5800 1 6 14 25 40 58 80 106 136 169 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 3 Conducted Power Results Test Mode Antenna Frequency[MHz] Result[dBm] DH5 Ant1 2402 -0.63 DH5 Ant1 2441 0.34 DH5 Ant1 2480 1.03 2DH5 Ant1 2402 0.17 2DH5 Ant1 2441 1.13 2DH5 Ant1 2480 1.76 3DH5 Ant1 2402 0.54 3DH5 Ant1 2441 1.46 3DH5 Ant1 2480 2.20 Manufacturing tolerance GFSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -1.0 0.0 0.5 Tolerance ±(dB) 1 1 1 π/4-DQPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -0.5 0.5 1.5 Tolerance ±(dB) 1 1 1 8-DPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 0 1 1.5 Tolerance ±(dB) 1 1 1 Results Test Mode Max Conducted Tune Up Power(dBm) Max of ERP and Conducted Power including Tune Up (dBm) Max of ERP and Conducted Power including Tune Up (mW) Exemption Limit(mW) GFSK 1.5 1.5 1.41 3 π/4-DQPSK 2.5 2.5 1.78 3 8DPSK 2.5 2.5 1.78 3 Max of ERP and Conducted Power including Tune Up (dBm) = Max Conducted Tune Up Power(dBm) and Max Conducted Tune Up Power(dBm) + Antenna Gain(dBi)-2.15), whichever is greater. The antenna gain of the EUT for BT is 1.2dBi (Max). the Maximum Eirp is used for Routine Evaluation Exemption according to B.4 of 447498 D04 Interim General RF Exposure Guidance v01. So, the SAR evaluation is not required.

Productspecification QuickReferenceDate Antennamoduleon thesystem board FrequencRange 2400 ~2500MHz Ant.PortInputPwr.(dBm) 0(Typ.BTclass2outputpower) Tot.Rad.Pwr.(dBm) -1.2(Inputpwr–losspwr) PeakEIRP(dBm) 1.2 Directivity(dBi) 1(alldirectionantenna) Efficiency(dB) 60.2 % Gain(dBi) 1.2(AvgGainXY-plane) MaximumPower (dBm) 1.7(XY-plane) MinimumPower(dBm) -4(XY-plane) Avg.Power(dBm) -0.5(XY-plane) InputImpendence(ohm) 50 PolarizationType Vertical&Horizontal V.S.W. R <1.4 All thetechnical dataandinformationcontainedherein aresubject tochangewithout priornotice AntennaLayout&moduleonthesystemboard AntennaGain GainTable [email protected] XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. ModuleBoard 1.2 -0.51.0 -3.61.1 -3.060.2 % RetumLoss TheEnvironmentof AntennaRadiationPattem 3Dradiationpatterndiagram XY-plane XZ-plane YZ-plane

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 1 of 46 Appendix Test Data for BT(BDR/EDR) (Conducted Measurement) Product Name: smart watch Trade Mark: N/A Test Model: KW39 FCC ID: 2AO47-KW39 Environmental Conditions Temperature: 23.8°C Relative Humidity: 58% ATM Pressure: 100.0 kPa Test Engineer: Allen Lai Supervised by: Hugo Chen NOTE N/A Appendix A: 20dB Emission Bandwidth Test Result TestMode Antenna Frequency[MHz] 20db EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.945 2401.553 2402.498 --- --- DH5 Ant1 2441 0.957 2440.544 2441.501 --- --- DH5 Ant1 2480 0.945 2479.553 2480.498 --- --- 2DH5 Ant1 2402 1.305 2401.361 2402.666 --- --- 2DH5 Ant1 2441 1.287 2440.382 2441.669 --- --- 2DH5 Ant1 2480 1.278 2479.388 2480.666 --- --- 3DH5 Ant1 2402 1.287 2401.364 2402.651 --- --- 3DH5 Ant1 2441 1.305 2440.364 2441.669 --- --- 3DH5 Ant1 2480 1.284 2479.370 2480.654 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 2 of 46 Test Graphs DH5-Ant1-2402 DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 3 of 46 DH5-Ant1-2480 2DH5-Ant1-2402 2DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 4 of 46 2DH5-Ant1-2480 3DH5-Ant1-2402 3DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 5 of 46 3DH5-Ant1-2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 6 of 46 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.86389 2401.5775 2402.4414 --- --- DH5 Ant1 2441 0.86977 2440.5753 2441.4451 --- --- DH5 Ant1 2480 0.87222 2479.5795 2480.4517 --- --- 2DH5 Ant1 2402 1.1772 2401.4245 2402.6017 --- --- 2DH5 Ant1 2441 1.1860 2440.4228 2441.6088 --- --- 2DH5 Ant1 2480 1.1830 2479.4197 2480.6027 --- --- 3DH5 Ant1 2402 1.1988 2401.4147 2402.6135 --- --- 3DH5 Ant1 2441 1.1876 2440.4172 2441.6048 --- --- 3DH5 Ant1 2480 1.2064 2479.4059 2480.6123 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 7 of 46 Test Graphs DH5-Ant1-2402 DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 8 of 46 DH5-Ant1-2480 2DH5-Ant1-2402 2DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 9 of 46 2DH5-Ant1-2480 3DH5-Ant1-2402 3DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 10 of 46 3DH5-Ant1-2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 11 of 46 Appendix C: Maximum peak conducted output power Test Result Test Mode Antenna Frequency[MHz] Conducted Peak Power[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 -0.63 ≤30 PASS DH5 Ant1 2441 0.34 ≤30 PASS DH5 Ant1 2480 1.03 ≤30 PASS 2DH5 Ant1 2402 0.17 ≤20.97 PASS 2DH5 Ant1 2441 1.13 ≤20.97 PASS 2DH5 Ant1 2480 1.76 ≤20.97 PASS 3DH5 Ant1 2402 0.54 ≤30 PASS 3DH5 Ant1 2441 1.46 ≤30 PASS 3DH5 Ant1 2480 2.20 ≤30 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 12 of 46 Test Graphs DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 13 of 46 DH5-Ant1-2480-PASS 2DH5-Ant1-2402-PASS 2DH5-Ant1-2441-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 14 of 46 2DH5-Ant1-2480-PASS 3DH5-Ant1-2402-PASS 3DH5-Ant1-2441-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 15 of 46 3DH5-Ant1-2480-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 16 of 46 Appendix D: Carrier frequency separation Test Result TestMode Antenna Frequency[MHz] Result[MHz] Limit[MHz] Verdict DH5 Ant1 Hop 1.002 ≥0.957 PASS 2DH5 Ant1 Hop 1.008 ≥0.870 PASS 3DH5 Ant1 Hop 1.322 ≥1.305 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 17 of 46 Test Graphs DH5-Ant1-Hop-PASS 2DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 18 of 46 3DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 19 of 46 Appendix E: Time of occupancy Test Result TestMode Antenna Frequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH5 Ant1 Hop 2.885 130 0.375 ≤0.4 PASS 2DH5 Ant1 Hop 2.891 120 0.347 ≤0.4 PASS 3DH5 Ant1 Hop 2.893 110 0.318 ≤0.4 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 20 of 46 Test Graphs DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 21 of 46 2DH5-Ant1-Hop-PASS 3DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 22 of 46 Appendix F: Number of hopping channels Test Result TestMode Antenna Frequency[MHz] Result[Num] Limit[Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS 3DH5 Ant1 Hop 79 ≥15 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 23 of 46 Test Graphs DH5-Ant1-Hop-PASS 2DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 24 of 46 3DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 Report No.: TZ240706132-BT Page 25 of 46 Appendix G: Band edge measurements Test Result TestMode Antenna ChName Frequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 -0.95 -39.66 ≤-20.95 PASS DH5 Ant1 High 2480 0.60 -49.12 ≤-19.4 PASS DH5 Ant1 Low Hop_2402 -1.67 -40.34 ≤-21.67 PASS DH5 Ant1 High Hop_2480 0.70 -48.19 ≤-19.3 PASS 2DH5 Ant1 Low 2402 -3.09 -40.48 ≤-23.09 PASS 2DH5 Ant1 High 2480 0.74 -49.18 ≤-19.26 PASS 2DH5 Ant1 Low Hop_2402 -4.35 -43.62 ≤-24.35 PASS 2DH5 Ant1 High Hop_2480 -2.82 -49.35 ≤…

Text truncated - open the document above for the full version.

FCC TEST REPORT Test report On Behalf of Shenzhen Kingstar Industrial Co., Ltd. For smart watch Model No.: KW39, SWC-156MK2, SWC-156ROMK2 FCC ID: 2AO47-KW39 Prepared for : Shenzhen Kingstar Industrial Co., Ltd. Room 211, Min Le technology Building, Meiban Road, Long Hua 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: 2024/7/23 ~ 2024/7/28 Date of Report: 2024/7/29 Report Number: TZ240706132-BT 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.: TZ240706132-BT Page 2 of 37 TEST RESULT CERTIFICATION Applicant’s name ................. : Shenzhen Kingstar Industrial Co., Ltd. Address .................................. : Room 211, Min Le technology Building, Meiban Road, Long Hua District, Shenzhen,China Manufacture's Name ............ : Shenzhen Kingstar Industrial Co., Ltd. Address .................................. : Room 211, Min Le technology Building, Meiban Road, Long Hua District, Shenzhen,China Product description Trade Mark ................................ : N/A Product name ............................ : smart watch Model and/or type reference : KW39, SWC-156MK2, SWC-156ROMK2 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 ............. : 2024/7/23 ~ 2024/7/28 Date of Issue .......................................... : 2024/7/29 Test Result .............................................. : Pass Testing Engineer : (Allen Lai) Technical Manager : (Hugo Chen) Authorized Signatory : (Andy Zhang) Report No.: TZ240706132-BT Page 3 of 37 Revision History Revision Issue Date Revisions Revised By 00 2024/7/29 Initial Issue Andy Zhang Report No.: TZ240706132-BT Page 4 of 37 TABLE OF CONTENTS 1 GENERAL INFORMATION ................................................................................................ 5 1.1 Description of Device (EUT) ...................................................................................................... 5 1.2 Wireless Function Tested in this Report ................................................................................... 5 1.3 EUT configuration ..................................................................................................................... 6 1.4 External I/O and Cable .................................................................................. 错误!未定义书签。 1.5 Description of Test Facility ........................................................................................................ 6 1.6 Statement of the Measurement Uncertainty .............................................................................. 6 1.7 Measurement Uncertainty ......................................................................................................... 7 1.8 Description of Test Modes ........................................................................................................ 7 1.9 Frequency of Channels ............................................................................................................. 7 2 TEST METHODOLOGY ..................................................................................................... 8 2.1 EUT Configuration ..................................................................................................................... 8 2.2 EUT Exercise ............................................................................................................................ 8 2.3 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 ........................................................................................................... 9 3.6 Test Setup ................................................................................................................................. 9 4 SUMMARY OF TEST RESULTS ...................................................................................... 10 5 MEASUREMENT RESULTS ............................................................................................ 11 5.1 Maximum Peak Conducted Output Power .............................................................................. 11 5.2 Frequency Separation and 20 dB Bandwidth .......................................................................... 12 5.3 Number of Hopping Frequency ............................................................................................... 13 5.4 Time of Occupancy (Dwell Time) ...........................…

Text truncated - open the document above for the full version.

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 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 Conducted Emission Radiated Emission Below 1GH Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AO47-KW39 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 2 Radiated Emission Above 1GH