RWT-ER200Etymotion BT Bluetooth Cable

Reference N Waltek Tes http://www EXHIBI EUT View 1 EUT View 2 No.: WTX20X sting Group w.semtest.co T 2 - EUT 1 2 X05029927W (Shenzhen) m.cn T EXTER W-1/2 Co., Ltd. RNAL PH HOTOGR APHS Reference N Waltek Tes http://www EUT View 3 EUT View 4 No.: WTX20X sting Group w.semtest.co 3 4 X05029927W (Shenzhen) m.cn W-1/2 Co., Ltd. Reference N Waltek Tes http://www EUT View 5 EUT View 6 No.: WTX20X sting Group w.semtest.co 5 6 X05029927W (Shenzhen) m.cn W-1/2 Co., Ltd. Reference N Waltek Tes http://www EUT View 7 EUT View 8 No.: WTX20X sting Group w.semtest.co 7 8 X05029927W (Shenzhen) m.cn W-1/2 Co., Ltd.

Reference N Waltek Tes http://www EXHIBI Proposed Specificatio n it is visible durable to r expected lif e Proposed No.: WTX20X sting Group w.semtest.co T 1 - PRO FCC ID La ns: The label or easily acc emain fully l etime. Label Loca X05029927W (Shenzhen) m.cn ODUCT L abel Forma shall be secu cessible to th legible and in ation on EU W-1/2 Co., Ltd. LABELIN at FCC ID urely affixed t he user, and ntact on the UT FCC NG D: RWT-ER to a permane shall not be device in al l ID Label Lo R200 ently attached readily detac l normal cond cation d part of the d chable. The l ditions of use device, in a lo label shall be e throughout ocation where e sufficiently t the device’s e y s

Reference N Waltek Tes http://www EXHIBI EUT Housi n EUT Housi n No.: WTX20X sting Group w.semtest.co T 3 - EUT ng and Boar ng and Boar X05029927W (Shenzhen) m.cn T INTER rd View 1 rd View 2 W-1/2 Co., Ltd. NAL PHO OTOGRA APHS Reference N Waltek Tes http://www Solder Boa r Solder Boa r No.: WTX20X sting Group w.semtest.co rd-Compone rd-Compone X05029927W (Shenzhen) m.cn ent View 1 ent View 2 W-1/2 Co., Ltd. Reference N Waltek Tes http://www Solder Boa r Solder Boa r No.: WTX20X sting Group w.semtest.co rd-Compone rd-Compone X05029927W (Shenzhen) m.cn ent View 3 ent View 4 W-1/2 Co., Ltd.

Reference N Waltek Tes http://www Solder Boa r Antenna V i No.: WTX20X sting Group w.semtest.co rd-Compone iew X05029927W (Shenzhen) m.cn ent View 5 W-1/2 Co., Ltd. Bluetooth h Antenna

RF Exposure Requirements Product Description: Etymotion BT Bluetooth Cable Model No.: ETY0101 FCC ID: RWT-ER200 According to the KDB 447498 D01 v06 section 4.3.1, for 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 Calculation Result: Tx frequency range: 2402-2480MHz Min. test separation distance: 5mm Maximum Conducted Output Power: 3.70dBm Tune-Up output power: 4dBm RF channel transmit frequency: 2402MHz Result: 0.8 Limit: 3.0 The exclusion thresholds is 0.8 < 3, so the transmitter complies with the RF exposure requirements and the SAR is not required.

Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.cn Page 1 of 57 TEST REPORT Reference No. .................... : WTX20X05029927W-1 FCC ID ................................ : RWT-ER200 Applicant ........................... : Etymotic Research Inc Address.............................. : 61 Martin Lane,Elk Grove Village, Illinois,United States Product Name ................... : Etymotion BT Bluetooth Cable Test Model. ........................ : ETY0101 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : May.22, 2020 Date of Test........................ : May.22, 2020 to Aug.12, 2020 Date of Issue ..................... : Aug.12, 2020 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Tested by: Reviewed By: Approved & Authorized By: Mike Shi / Project Engineer Lion Cai / RF Manager Silin Chen / Manager Reference No.: WTX20X05029927W-1 Page 2 of 57 Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.cn TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................5 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ...............................................................................5 1.2 TEST STANDARDS ...................................................................................................................................................6 1.3 TEST METHODOLOGY .............................................................................................................................................6 1.4 TEST FACILITY .......................................................................................................................................................6 1.5 EUT SETUP AND TEST MODE .................................................................................................................................7 1.6 MEASUREMENT UNCERTAINTY ..............................................................................................................................8 1.7 TEST EQUIPMENT LIST AND DETAILS .....................................................................................................................9 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. RF EXPOSURE ....................................................................................................................................................... 12 3.1 STANDARD APPLICABLE ....................................................................................................................................... 12 3.2 TEST RESULT........................................................................................................................................................ 12 4. ANTENNA REQUIREMENT ................................................................................................................................ 13 4.1 STANDARD APPLICABLE ....................................................................................................................................... 13 4.2 EVALUATION INFORMATION................................................................................................................................. 13 5. FREQUENCY HOPPING SYSTEM REQUIREMENTS.................................................................................... 14 5.1 STANDARD APPLICABLE ....................................................................................................................................... 14 5.2 FREQUENCY HOPPING SYSTEM............................................................................................................................. 14 5.3 EUT PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .................................................................................... 15 6. QUANTITY OF HOPPING CHANNELS AND CHANNEL SEPARATION ................................................... 16 6.1 STANDARD APPLICABLE ....................................................................................................................................... 16 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 16 6.3 TEST PROCEDURE ................................................................................................................................................. 16 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 17 7. DWELL TIME OF HOPPING CHANNEL .......................................................................................................... 20 7.1 STANDARD APPLICABLE ....................................................................................................................................... 20 7.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 20 7.3 TEST PROCEDURE ................................................................................................................................................. 20 7.4 SUMMARY OF TEST RESULTS/PLOTS ...............................................................................…

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