2AM5A-TCTRLRBluetooth Headset

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D ate: 2020-10 -13 FCC ID:2AM5A-TCTRLR To the attention of Federal Communications Commission Authorization and Evaluation Division Permanent Confidentiality Request P ursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: S chematics Block Diagram Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely yours, ----------------------------------- Kyle Hutchison Director of Design Phone +447752210704 Email: [email protected]

Date: 2020-10-13 FCC ID:2AM5A-TCTRLR AUTHORIZATION LETTER To Whom It May Concern: RHA Technologies Limited hereby authorizes Andrea Hsia / Supervisor of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch (“BV CPS Taoyuan”), to act on its behalf in all matters relating to the Federal Communication Commission (“FCC”) application for equipment authorization in connection with the FCC ID listed above, including signing of all documents relating to these matters. Any and all acts carried out by Andrea Hsia / Supervisor of BV CPS Taoyuan on RHA Technologies Limited’s behalf, within the scope of the powers granted herein, shall have the same effect as acts of its own. I f you have any questions regarding the authorization, please don’t hesitate to contact us. S incerely yours, Kyle Hutchison Director of Design Phone +447752210704 Email: [email protected]

Reference No.: 200608D03-ExtPho_R Page 1 / 8 CONSTRUCTION PHOTOS OF EUT Reference No.: 200608D03-ExtPho_R Page 2 / 8 Reference No.: 200608D03-ExtPho_R Page 3 / 8 Reference No.: 200608D03-ExtPho_R Page 4/ 8 Reference No.: 200608D03-ExtPho_R Page 5 / 8 Reference No.: 200608D03-ExtPho_R Page 6 / 8 Reference No.: 200608D03-ExtPho_R Page 7 / 8 Reference No.: 200608D03-ExtPho_R Page 8 / 8

Reference No.: 200608D03-IntPho-R Page 1 / 8 CONSTRUCTION PHOTOS OF EUT Reference No.: 200608D03-IntPho-RPage 2 / 8 Reference No.: 200608D03-IntPho-RPage 3 / 8 Reference No.: 200608D03-IntPho-RPage 4 / 8 Reference No.: 200608D03-IntPho-RPage 5 / 8 Reference No.: 200608D03-IntPho-RPage 6 / 8 Reference No.: 200608D03-IntPho-RPage 7 / 8 Reference No.: 200608D03-IntPho-RPage 8 / 8

Report No.: SA200608D03-2 Page No. 1 / 7 Report Format Version: 6.1.1 RF Exposure Report Report No.: SA200608D03-2 FCC ID: 2AM5A-TCTRLR Test Model: TrueControl Received Date: Jun. 8, 2020 Test Date: Jul. 27 to Nov. 3, 2020 Issued Date: Nov. 3, 2020 Applicant: RHA Technologies Limited Address: 69 Haugh Road, Glasgow, G38TX, United Kingdom Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan FCC Registration / Designation Number: 198487 / TW2021 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: SA200608D03-2 Page No. 2 / 7 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 3 1 Certificate of Conformity ...................................................................................................................... 4 2 Evaluation Result .................................................................................................................................. 5 3 SAR Test Exclusion Thresholds .......................................................................................................... 6 4 Conclusion ............................................................................................................................................ 7 Report No.: SA200608D03-2 Page No. 3 / 7 Report Format Version: 6.1.1 Release Control Record Issue No. Description Date Issued SA200608D03-2 Original release. Nov. 3, 2020 Report No.: SA200608D03-2 Page No. 4 / 7 Report Format Version: 6.1.1 1 Certificate of Conformity Product: Bluetooth Headset Brand: RHA Test Model: TrueControl Sample Status: Engineering sample Applicant: RHA Technologies Limited Test Date: Jul. 27 to Nov. 3, 2020 Standards: FCC Part 2 (Section 2.1093) IEEE C95.1-1992 References Test Guidance: KDB 447498 D01 General RF Exposure Guidance v06 The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s RF characteristics under the conditions specified in this report. Prepared by : , Date:Nov. 3, 2020 Annie Chang / Senior Specialist Approved by : , Date:Nov. 3, 2020 Rex Lai / Associate Technical Manager Report No.: SA200608D03-2 Page No. 5 / 7 Report Format Version: 6.1.1 2 Evaluation Result Following FCC KDB 447498 D01 “General SAR test exclusion guidance” The corresponding SAR Exclusion Threshold condition, listed below: 1) The 1-g 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)] ꞏ[√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 The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. 2) At 100 MHz to 6 GHz and for test separation distances > 50 mm, the SAR test exclusion threshold is determined according to the following: a) [Threshold at 50 mm in step 1) + (test separation distance - 50mm)ꞏ( f(MHz)/150)] mW, at 100MHz to 1500 MHz b) [Threshold at 50 mm in step 1) + (test separation distance - 50 mm)ꞏ10] mW at > 1500 MHz and ≤ 6 GHz 3) At frequencies below 100 MHz, the following may be considered for SAR test exclusion. a) The threshold at the corresponding test separation distance at 100 MHz in step 2) is multiplied by [1 + log(100/f(MHz))] for test separation distances > 50 mm and < 200 mm. b) The threshold determined by the equation in a) for 50 mm and 100 MHz is multiplied by ½ for test separation distances ≤ 50 mm. c) SAR measurement procedures are not established below 100 MHz. When SAR test exclusion cannot be applied, a KDB inquiry is required to determine SAR evaluation requirements for any test results to be acceptable. Report No.: SA200608D03-2 Page No. 6 / 7 Report Format Version: 6.1.1 3 SAR Test Exclusion Thresholds Maximum measured transmitter power: Function Frequency (GHz) Tune-up Power (dBm) Min. test separation distance (mm) SAR test exclusion calculation value…

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Report No.: RF200608D03-2 Page No. 1 / 44 Report Format Version: 6.1.1 FCC Test Report (BT LE) Report No.: RF200608D03-2 FCC ID: 2AM5A-TCTRLR Test Model: TrueControl Received Date: Jun. 8, 2020 Test Date: Jul. 27 to Nov. 3, 2020 Issued Date: Nov. 3, 2020 Applicant: RHA Technologies Limited Address: 69 Haugh Road, Glasgow, G38TX, United Kingdom Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan FCC Registration / Designation Number:198487 / TW2021 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: RF200608D03-2 Page No. 2 / 44 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 4 1 Certificate of Conformity ...................................................................................................................... 5 2 Summary of Test Results ..................................................................................................................... 6 2.1 Measurement Uncertainty ................................................................................................................... 6 2.2 Modification Record ............................................................................................................................ 6 3 General Information .............................................................................................................................. 7 3.1 General Description of EUT ................................................................................................................ 7 3.2 Description of Test Modes ................................................................................................................... 8 3.2.1 Test Mode Applicability and Tested Channel Detail ............................................................................. 9 3.3 Description of Support Units .............................................................................................................. 11 3.3.1 Configuration of System under Test ................................................................................................... 11 3.4 Duty Cycle of Test Signal .................................................................................................................. 12 3.5 General Description of Applied Standards and references ............................................................... 12 4 Test Types and Results ...................................................................................................................... 13 4.1 Radiated Emission and Bandedge Measurement ............................................................................. 13 4.1.1 Limits of Radiated Emission and Bandedge Measurement .............................................................. 13 4.1.2 Test Instruments ................................................................................................................................ 14 4.1.3 Test Procedures ................................................................................................................................. 15 4.1.4 Deviation from Test Standard ............................................................................................................ 15 4.1.5 Test Setup .......................................................................................................................................... 16 4.1.6 EUT Operating Conditions ................................................................................................................. 17 4.1.7 Test Results ....................................................................................................................................... 18 4.2 Conducted Emission Measurement .................................................................................................. 26 4.2.1 Limits of Conducted Emission Measurement .................................................................................... 26 4.2.2 Test Instruments ................................................................................................................................ 26 4.2.3 Test Procedures ................................................................................................................................. 27 4.2.4 Deviation from Test Standard ............................................................................................................ 27 4.2.5 Test Setup ...........................................................................................…

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Reference No.: RF200608D03 Page 1 / 4 PHOTOGRAPHS OF THE TEST CONFIGURATION Conducted Emission Test - Mode B Reference No.: RF200608D03 Page 2 / 4 Conducted Emission Test - Mode C Reference No.: RF200608D03 Page 3 / 4 Radiated Emission Test (Above 1GHz) – Mode A Reference No.: RF200608D03 Page 4 / 4 Radiated Emission Test (Below 1GHz) – Mode B