L76-KPH7BTBluetooth Headset

Model No.: KOSS KPH7 Wireless FCC ID: L76-KPH7BT

Model: KOSS KPH7 Wireless FCC Test Report Page 1 of 1 Label and Information FCC Label Sample FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location ***** END OF REPORT *****

Model No.: KOSS KPH7 Wireless FCC ID: L76-KPH7BT Antenna

Report No.: ATE20191589 Page 1 of 75 FCC ID: L76-KPH7BT Shenzhen Accurate Technology Co., Ltd. APPLICATION CERTIFICATION FCC Part 15C On Behalf of Koss Corporation Bluetooth Headset Model No.: KOSS KPH7 Wireless FCC ID: L76-KPH7BT Prepared for : Koss Corporation Address : 4129 N. Port Washington Avenue, Milwaukee, Wisconsin, United States Prepared by : Shenzhen Accurate Technology Co., Ltd. Address : 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: (0755) 26503290 Fax: (0755) 26503396 Report No. : ATE20191589 Date of Test : November 5-8, 2019 Date of Report : November 11, 2019 Report No.: ATE20191589 Page 2 of 75 FCC ID: L76-KPH7BT Shenzhen Accurate Technology Co., Ltd. TABLE OF CONTENTS Description Page Test Report Certification TABLE OF CONTENTS .......................................................................................................................... 2 1. GENERAL INFORMATION .......................................................................................................... 5 1.1. Description of Device (EUT) ................................................................................................................... 5 1.2. Accessory and Auxiliary Equipment ........................................................................................................ 5 1.3. Description of Test Facility ...................................................................................................................... 6 1.4. Measurement Uncertainty......................................................................................................................... 6 2. MEASURING DEVICE AND TEST EQUIPMENT..................................................................... 7 3. OPERATION OF EUT DURING TESTING................................................................................. 8 3.1. Operating Mode........................................................................................................................................ 8 3.2. Configuration and peripherals .................................................................................................................. 8 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS ............................................................ 9 5. TEST PROCEDURES AND RESULTS ....................................................................................... 10 6. 20DB BANDWIDTH TEST ........................................................................................................... 11 6.1. Block Diagram of Test Setup ................................................................................................................. 11 6.2. The Requirement For Section 15.247(a)(1)............................................................................................ 11 6.3. EUT Configuration on Test .................................................................................................................... 11 6.4. Operating Condition of EUT .................................................................................................................. 11 6.5. Test Procedure ........................................................................................................................................ 11 6.6. Test Result .............................................................................................................................................. 12 7. CARRIER FREQUENCY SEPARATION TEST ....................................................................... 17 7.1. Block Diagram of Test Setup ................................................................................................................. 17 7.2. The Requirement For Section 15.247(a)(1)............................................................................................ 17 7.3. EUT Configuration on Test .................................................................................................................... 17 7.4. Operating Condition of EUT .................................................................................................................. 17 7.5. Test Procedure ........................................................................................................................................ 18 7.6. Test Result .............................................................................................................................................. 18 8. NUMBER OF HOPPING FREQUENCY TEST ......................................................................... 24 8.1. Block Diagram of Test Setup ................................................................................................................. 24 8.2. The Requirement For Section 15.247(a)(1)(iii)...................................................................................... 24 8.3. EUT Configuration on Test .................................................................................................................... 24 8.4. Operating Condition of EUT .................................................................................................................. 24 8.5. Test Procedure ........................................................................................................................................ 24 8.6. Test Result .............................................................................................................................................. 25 9. DWELL TIME TEST..................................................................................................................... 27 9.1. Block Diagram of Test Setup ................................................................................................................. 27 9.2. The Requirement For Section 15.247(a)(1)(iii)...................................................................................... 27 9.3. EU…

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Model No.: KOSS KPH7 Wireless FCC ID: L76-KPH7BT Photograph of set-up for Radiated Emission below 1GHz Photograph of set-up for Radiated Emission above 1GHz Photograph of set-up for AC Power line Conducted Emission