ZY9-HSTHTROverhead headset

Model: HSTHTR Input: 5V 2A FCC ID: ZY9-HSTHTR Made in China 2AC35GP

FCC ID: ZY9-HSTHTR Portable device According to §15.247(e)(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to KDB447498 D01 General RF Exposure Guidance V06 The 1-g SAR and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)]·[√f(GHZ)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f(GHZ) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. BT: Modulation Channel Freq. (GH z) Conduct ed power (dBm ) Conducte d power (m W) Tune-up power (dBm ) Ma x tune-up power (dBm ) Ma x tune-up power (m W) Distance (mm) Result calculation S AR Exclusion threshold S AR te s t exclusion 2.402 -2 0.63-2±1-10.79<50.246223.00YE S 2.440 -2.02 0.63-2±1-10.79 <50.248163.00YE S 2.480-2.08 0.62 -2±1-10.79<50.250183.00YE S 2.402-1.960.64-2±1-10.79<50.246223.00 YE S 2.440-1.950.64-2±1-10.79 <50.248163.00YE S 2.480 -20.63-2±1-10.79<50.250183.00YE S BLE1M BLE2M Conclusion: For the max result : 0.25018 ≤ 3.0 for 1g SAR, SAR is not required. Signature: Date: 2024-09-10 NAME AND TITLE (Please print or type): Alex li /Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen P.R. China.

Summary Inverted F Antenna Specification ITEM ANT SPEC Model Name 2.4G ANT Center Frequency Horizontal Vertical 2400MHz 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD 333 Kexing Road, Xiangzhou District, Zhuhai City Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Frequency (MHz) Gain(dB) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Frequency (MHz) Gain(dB) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Report No.: S24082901704001 RADIO TEST REPORT FCC ID: ZY9-HSTHTR Product: Overhead headset Trade Mark: N/A Model No.: HSTHTR Family Model: N/A Report No.: S24082901704001 Issue Date: Sep. 09, 2024 Prepared for Shenzhen Great Power Innovation And Technology Enterprise Co., Ltd. No. 331, Guiyue Road, Dafu Community, Guanlan Street, Longhua District, Shenzhen Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel:400-800-6106,0755-2320 0050 / 2320 0090 Website: http://www.ntek.org.cn Version.1.3 Page 1 of 79 Report No.: S24082901704001 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 4 2 SUMMARY OF TEST RESULT S ......................................................................................................................... 5 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 6 3.1 FACILITIES..................................................................................................................................................... 6 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 6 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 6 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 7 5 DESCRIPTION OF TEST MODES ................................................................................................................... 10 6 SETUP OF EQUIPMENT UNDER TEST ......................................................................................................... 11 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ..................................................................... 11 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 12 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 13 7 TEST REQUIREMENTS .................................................................................................................................... 15 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 15 7.1.1 Applicable Standard .................................................................................................................................. 15 7.1.2 Conformance Limit ................................................................................................................................... 15 7.1.3 Measuring Instruments ............................................................................................................................. 15 7.1.4 Test Configuration .................................................................................................................................... 15 7.1.5 Test Procedure ........................................................................................................................................... 15 7.1.6 Test Results ................................................................................................................................................ 16 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 18 7.2.1 Applicable Standard .................................................................................................................................. 18 7.2.2 Conformance Limit ................................................................................................................................... 18 7.2.3 Measuring Instruments ............................................................................................................................. 19 7.2.4 Test Configuration .................................................................................................................................... 19 7.2.5 Test Procedure ........................................................................................................................................... 20 7.2.6 Test Results ................................................................................................................................................ 21 7.3 6DB BANDWIDTH ....................................................................................................................................... 27 7.3.1 Applicable Standard .................................................................................................................................. 27 7.3.2 Conformance Limit ................................................................................................................................... 27 7.3.3 Measuring Instruments ............................................................................................................................. 27 7.3.4 Test Setup .................................................................................................................................................. 27 7.3.5 Test Procedure ........................................................................................................................................... 27 7.3.6 Test Results ................................................................................................................................................ 27 7.4 DUTY CYCLE ..............................................................................…

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