2AVTD-TWST1XTWS

Shenzhen Tantio Technology Co.,LTD Agent Authorization Letter 2020-03-10 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Huaxia Testing Technology Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: Eric.he Position: manager Company Name: Shenzhen Tantio Technology Co.,LTD Address: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China Tel / Fax 136 3289 3489/ N/A E-Mail: [email protected]

Declaration statement Letter 2020-03-10 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Declaration statement Letter To Whom It May Concern: We hereby declare that (FCC ID: 2AVTD-TWST1X) fulfill the requirements of 47 CFR Part 15C Section 15.247(g) & 15.247(h). Compliance for section 15.247(g) According to Bluetooth Core Specification, the Bluetooth system transmits the packet with the pseudorandom hopping frequency with a continuous data and the short burst transmission from the Bluetooth system is also transmitted under the frequency hopping system with the pseudorandom hopping frequency system. Compliance for section 15.247(h) According to Bluetooth Core specification, the Bluetooth system incorporates with an adaptive system to detect other user within the spectrum band so that it individually and independently to avoid hopping on the occupied channels. According to the Bluetooth Core specification, the Bluetooth system is designed not have the ability to coordinated with other FHSS System in an effort to avoid the simultaneous occupancy of individual hopping frequencies by multiple transmitter. Please contact me if there is any information you may need. Sincerely, Name: Eric.he Position: manager Company Name: Shenzhen Tantio Technology Co.,LTD Address: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China Tel / Fax 136 3289 3489/ N/A E-Mail: [email protected]

Shenzhen Tantio Technology Co.,LTD Long Term Confidentiality Request Letter 2020-03-10 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2AVTD-TWST1X) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Eric.he Position: manager Company Name: Shenzhen Tantio Technology Co.,LTD Address: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China Tel / Fax 136 3289 3489/ N/A E-Mail: [email protected]

Model difference letter 2020,03,10 Dear MET Reviewer, This is a new Application from Shenzhen Tantio Technology Co.,LTD T1, T15, T18 are identical in interior structure, electrical circuits, components and appearance. Only different in color of appearance and model name Thank you for your cooperation! Yours sincerely, Signatory: Name: Eric.he Position: manager Company Name: Shenzhen Tantio Technology Co.,LTD Address: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China Tel / Fax 136 3289 3489/ N/A E-Mail: [email protected]

FCC ID: 2AVTD-TWST1X Test Model No.:T1 FCC ID: 2AVTD-TWST1X FCC ID: 2AVTD-TWST1X FCC ID: 2AVTD-TWST1X FCC ID: 2AVTD-TWST1X

FCC ID: 2AVTD-TWST1X Test Model No.:T1 The EUT is too small，the fcc statement is reflected in the manual

Label Sample for FCC ID: 2AVTD-TWST1X FCC ID: 2AVTD-TWST1X 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.

FCC ID: 2AVTD-TWST1X FCC ID: 2AVTD-TWST1X FCC ID: 2AVTD-TWST1X

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 RF Exposure Evaluation Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No. : CQASZ20200200094E-02 Applicant: Shenzhen Tantio Technology Co.,LTD Address of Applicant: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China Equipment Under Test (EUT): EUT Name: TWS Model No.: T1, T15, T18 Test Model No.: T1 Brand Name: tantio FCC ID: 2AVTD-TWST1X Standards: 47 CFR Part 1.1307 47 CFR Part 1.1310 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2020-02-27 Date of Test: 2020-02-27 to 2020-03-09 Date of Issue: 2020-03-09 Test Result : PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By： (Tom Chen) Reviewed By: (Aaron Ma) Approved By: ( Jack Ai) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200200094E-02 Page:2 of 6 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200200094E-02 Rev.01 Initial report 2020-03-09 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200200094E-02 Page:3 of 6 2 Contents Page 1 VERSION .....................................................................................................................................................................2 2 CONTENTS .................................................................................................................................................................3 3 GENERAL INFORMATION .......................................................................................................................................4 3.1 CLIENT INFORMATION ................................................................................................................................................4 3.2 GENERAL DESCRIPTION OF EUT ................................................................................................................................4 4 SAR EVALUATION ....................................................................................................................................................5 4.1 RF EXPOSURE COMPLIANCE REQUIREMENT ..............................................................................................................5 4.1.1 Standard Requirement .................................................................................................................................5 4.1.2 Limits ..............................................................................................................................................................5 4.1.3 EUT RF Exposure .........................................................................................................................................6 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200200094E-02 Page:4 of 6 3 General Information 3.1 Client Information Applicant: Shenzhen Tantio Technology Co.,LTD Address of Applicant: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China Manufacturer: Shenzhen Tantio Technology Co.,LTD Address of Manufacturer: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China 3.2 General Description of EUT Product Name: TWS Model No.: T1, T15, T18 Test Model No.: T1 Trade Mark: tantio Hardware Version: TT-L-V3.1, TT-R-V3.1 Software Version: V1.0 Operation Frequency: 2402MHz~2480MHz Bluetooth Version: V5.0 Modulation Technique: Frequency Hopping Spread Spectrum(FHSS) Modulation Type: GFSK, π/4DQPSK, 8DPSK Transfer Rate: 1Mbps/2Mbps/3Mbps Number of Channel: 79 Hopping Channel Type: Adaptive Frequency Hopping systems Product Type: Mobile Portable Fix Location Test Software of EUT: Bluetooth RF Test Tool (manufacturer declare) Antenna Type: Integral antenna Antenna Gain: 0dBi Power Supply: lithium battery:DC3.7V, Charge by DC5.0V Note: 1. Both the left and right ears were tested, find the left ear is the worst case, only the worst case is recorded in the report. 2. Model No.: T1, T15, T18 Only the model T1 was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200200094E-02 Page:5 of 6 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 4.1.2 Limits 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)] · [√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 17 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 appli…

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

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com R eport Template Version: V04 Report Template Revision Date: 2018-07-06 Test Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No. : CQASZ20200200094E-01 Applicant: Shenzhen Tantio Technology Co.,LTD Address of Applicant: 806, A block, Taojindi Building, Tenlong Road, Longhua district, Shenzhen, China Equipment Under Test (EUT): EUT Name: TWS Model No.: T1, T15, T18 Test Model No.: T1 Brand Name: tantio FCC ID: 2AVTD-TWST1X Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-02-27 Date of Test: 2020-02-27 to 2020-03-09 Date of Issue: 2020-03-09 Test Result : PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By˖˖  (Tom Chen) Reviewed By: (Aaron Ma) Approved By: ( Jack Ai) (Jack Ai)i ((((((((((((((((((((((((((((((((((((Aaron Ma((((((((((((()a Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200200094E-01 Page:2 of 102 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200200094E-01 Rev.01 Initial report 2020-03-09 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200200094E-01 Page:3 of 102 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10 (2013) PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 (2013) PASS Conducted Peak Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(1) ANSI C63.10 (2013) PASS 20dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Carrier Frequencies Separation 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Hopping Channel Number 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Dwell Time 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Pseudorandom Frequency Hopping Sequence 47 CFR Part 15, Subpart C Section 15.247(b)(4)&TCB Exclusion List (7 July 2002) ANSI C63.10 (2013) PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS Radiated Spurious emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS Model No.: T1, T15, T18 Only the model T1 was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200200094E-01 Page:4 of 102 3 Contents Page 1 澳VERSION .................................................................................................................................................................. 2澳 2澳TEST SUMMARY .................................................................................................................................................... 3澳 3澳CONTENTS .............................................................................................................................................................. 4澳 4澳GENERAL INFORMATION ................................................................................................................................... 5澳 4.1澳CLIENT INFORMATION .......................................................................................................................................... 5澳 4.2澳GENERAL DESCRIPTION OF EUT .......................................................................................................................... 5澳 4.3澳ADDITIONAL INSTRUCTIONS................................................................................................................................. 7澳 4.4澳TEST ENVIRONMENT ............................................................................................................................................ 8澳 4.5澳DESCRIPTION OF SUPPORT UNITS ......................................................................................................................... 8澳 4.6澳STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................. 9澳 4.7澳TEST LOCATION ................................................................................................................................................. 10澳 4.8澳TEST FACILITY ................................................................................................................................................... 10澳 4.9澳ABNORMALITIES FROM STANDARD CONDITIONS ............................................................................................... 10澳 4.10澳OTHER INFORMATION REQUESTED BY THE CUSTOMER ...................................................................................... 10澳 4.11澳EQUIPMENT LIST ................................................................................................................................................ 11澳 5澳TEST RESULTS AND MEASUREMENT DATA .............................................................................................. 12澳 5.1澳ANTENNA REQUIREMENT ................................................................................................................................... 12澳 5.2澳CONDUCTED EMISSIONS .........................................................................…

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

FCC ID: 2AVTD-TWST1X 1 Photographs - EUT Test Setup 1.1 Radiated Emission 9KHz~30MHz: 30MHz~1GHz: FCC ID: 2AVTD-TWST1X Above 1GHz: 1.2 Conducted Emission