YMX-EC8606BMassage Chair

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XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Agent Authorization Letter 2020-06-28 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: Pengfei Cui Position: Safety Engineer Company Name: XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Address: (5/F) NO.168, QIANPU ROAD, SIMING DISTRICT, XIAMEN, China Tel / Fax +86-592-7266925/ +86-592-5532788 E-Mail: [email protected]

Declaration statement Letter 2020-06-28 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: YMX-EC8606B) 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: Pengfei Cui Position: Safety Engineer Company Name: XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Address: (5/F) NO.168, QIANPU ROAD, SIMING DISTRICT, XIAMEN, China Tel / Fax +86-592-7266925/ +86-592-5532788 E-Mail: [email protected]

XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Long Term Confidentiality Request Letter 2020-06-28 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (FCC ID: YMX-EC8606B) 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: Pengfei Cui Position: Safety Engineer Company Name: XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Address: (5/F) NO.168, QIANPU ROAD, SIMING DISTRICT, XIAMEN, China Tel / Fax +86-592-7266925/ +86-592-5532788 E-Mail: [email protected]

Model difference letter 2020,06,28 Dear MET Reviewer, This is a new Application from XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. EC-8606B, Hilux 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: Pengfei Cui Position: Safety Engineer Company Name: XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Address: (5/F) NO.168, QIANPU ROAD, SIMING DISTRICT, XIAMEN, China Tel / Fax +86-592-7266925/ +86-592-5532788 E-Mail: [email protected]

Test Model No.:EC-8606B

Test Model No.:EC-8606B

WIFI module

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.: CQASZ20200600503E-01 Applicant: XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Address of Applicant: (5/F) NO.168, QIANPU ROAD, SIMING DISTRICT, XIAMEN, CHINA Equipment Under Test (EUT): Product: Massage Chair Model No.: EC-8606B, Hilux Test Model No.: EC-8606B Brand Name: N/A FCC ID: YMX-EC8606B Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-06-08 Date of Test: 2020-06-08 to 2020-06-22 Date of Issue: 2020-06-22 Test Result : PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By˖˖  (Tom Chen) Reviewed By: (Sheek Luo) Approved By: (Jack Ai)(Jack Ai(()i ((((((((((((((((((((((ShSSSSSSSSSSSSSSSeek Luo((((((((()o Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600503E-01  Page:2 of 106 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200600503E-01 Rev.01 Initial report 2020-06-22 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600503E-01  Page:3 of 106 2Test 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 Remark: Model No.: EC-8606B, Hilux Only the model EC-8606B 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.: CQASZ20200600503E-01  Page:4 of 106 3Contents 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PRODUCT SPECIFICATION SUBJECTIVE TO THIS STANDARD .................................................................................. 5澳 4.4澳ADDITIONAL INSTRUCTIONS................................................................................................................................. 7澳 4.5澳TESTENVIRONMENT ............................................................................................................................................ 8澳 4.6澳DESCRIPTION OF SUPPORT UNITS ......................................................................................................................... 8澳 4.7澳STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................. 9澳 4.8澳TESTLOCATION ................................................................................................................................................. 10澳 4.9澳TESTFACILITY ................................................................................................................................................... 10澳 4.10澳ABNORMALITIES FROM STANDARD CONDITIONS ............................................................................................... 10澳 4.11澳OTHER INFORMATION REQUESTED BY THE CUSTOMER ...................................................................................... 10澳 4.12澳EQUIPMENT LIST ................................................................................................................................................ 11澳 5澳TEST RESULTS AND MEASUREMENT DATA .............................................................................................. 12澳 5.1澳ANTENNA REQUIREMENT ...................................................................…

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1 Photographs - EUT Test Setup 1.1 Radiated Emission 9kHz~30MHz: 30MHz~1GHz: Above 1GHz: 1.2 Conducted Emission