FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

Β© 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD/
  3. YMX-EI8502A

YMX-EI8502AMassage Chair

XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
Massage Chair - FCC ID YMX-EI8502A - XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
Click to zoom

Application Details

Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
Date of Grant
Jul 08, 2020
Application Purpose
Original Equipment
Date of Application
Jul 08, 2020
Equipment Note
Massage Chair
Frequency Range
2402.00000000 - 2480.00000000
Company
XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
Country
China

Documents & Files

Select a file to view

Users Manual

β†—

Cover Letter(s)

β†—
β†—
β†—
β†—

External Photos

β†—

ID Label/Location Info

β†—
β†—

Internal Photos

β†—

RF Exposure Info

β†—

Test Report

β†—

Test Setup Photos

β†—

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

(,$ IMPORTANT SAFETY INSTRUCTIONS 2-3 4 5 6-7 8 10-11 13-18 21 19 20 22 12 9 FCC Radiation Exposure Statement Industry Canada Notice Chair Installation IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS DANGER When using an electrical appliance, basic precautions should always be followed, including the following: Read all instructions before using (this appliance). To reduce the risk of electric shock: β€’ Always unplug this appliance from the electrical outlet immediately after using and before cleaning. WARNING To reduce the risks of burns, fire, electric shock or injury to persons: β€’ An appliance should never be left unattended when plugged in. Unplug from outlet when not in use, and before putting on or taking off parts. β€’ Close supervision is necessary when this appliance is used by, on, or near children, invalids, or disabled persons. β€’ Use this appliance only for its intended use as described in this manual. Do not use attachments not recommended by the manufacturer. β€’ Never operate this appliance if it has a damaged cord or plug, if it is not working properly, if it has been dropped or damaged, or dropped into water. Return the appliance to a service center for examination and repair. β€’ Do not carry this appliance by supply cord or use cord as a handle. β€’ Keep the cord away from heated surfaces. β€’ Never operate the appliance with the air openings blocked. Keep the air openings free of lint, hair, and the like. β€’ Never drop or insert any object into any opening. β€’ Do not use outdoors. β€’ Do not operate where aerosol (spray) products are being used or where oxygen is being administered. β€’ To disconnect, turn all controls to the off position, then remove plug from outlet. β€’ Keep children away from extended foot support. β€’ Connect this appliance to a properly grounded outlet only. See Grounding Instructions. β€’ Use heated surfaces carefully. May cause serious burns. Do not use over insensitive skin areas or in the presence of poor circulation. The unattended use of heat by children or incapacitated persons may be dangerous. β€’ Do not operate under blanket or pillow. Excessive heating can occur and cause fire, electric shock, or injury to persons. β€’ Never use pins or other metallic fasteners with this appliance. β€’ Carefully examine the covering before each use. Discard the appliance if the covering shows any sign of deterioration, such as checking, blistering, or cracking. 3 'pFODUDWLRQG H[SRVLWLRQDX[UDGLDWLRQV &HWpTXLSHPHQWHVWFRQIRUPH&DQDGDOLPLWHVG H[SRVLWLRQDX[UDGLDWLRQVGDQVXQ HQYLURQQHPHQWQRQFRQWU{Op&HWpTXLSHPHQWGRLWrWUHLQVWDOOpHWXWLOLVpjGLVWDQFH PLQLPXPGHFPHQWUHOHUDGLDWHXUHWYRWUHFRUSV Seat Cushion 5 1 4 6 2 3 Shoulder side air massage section Arm & hand air massage section Lumbar heater Legrest air massage section Seat side air massage section Foot roller 8 Circlip x 2   When placing a mat under the unit, the size of the mat should be sufficient to cover the areas where the unit touches and where the legrest could touch the floor, as shown in the dia gram on the above. 9 2” 80.7” 10 11 SPEED INTENSITY SHOULDER HAND FOOTSEAT FULL AIR STRENGTH LED WIDTH ROLLER UP ROLLER DOWN SPOT PARTIAL 12 3. Press this button to light up the LCD screen. Press any massage function button to start massage. This will initiate the timer function. Press this button again to stop all massage functions, massage chair will return to its original position. Time interval Control Button When a massage function is activated,the timer is preset at 15 minutes. Every single press on this button will change the timer interval in the sequence of 20 > 25 > 30 > 5 > 10 > 15 > 20 minutes. Press this button once to halt current massage function and countdown timer. During pause mode, the pause button will be blinking. Press this button again to cease the Pause function and resume previous massage function as well as countdown timer. 5. Angle Adjustment Button for Leg rest. Keep pressing either button until the leg rest reaches your desired position. 4. Press this button to active the Zero Gravity function,press again to return to idle position. Zero Gravity button is NOT controllable during auto programs of Thai. 13 14 6. Keep pressing to comfortably lay flat or to restore the chair to its original position. Full body Auto massage program 7.GENTLE 8.RELAX 9.THERAPY 10.VIGOROUS 11.DEMO 12.SWEDISH 13.THAI 14 . CHINESE 15.LEGREST LENGTH ADJUSTMENT BUTTON These two control buttons can adjust the length of chair legrest. Press or once to lengthen or shorten the chair legrest. 1 ) Please press the button gently to avoid sticking the button. 2 ) When ZGR is activated before any program , the chair will scan and adjust the length of leg rest automatically. 16.WIDTH The Width Adjustment Button for Rolling Function. When Rolling function is engaged, every single press on this button will change the massage width interval in the sequence of Narrow>Wide in cycle. 17.Spot The Spot Back massage This button allows the user to select spot massage for any part on the back. Press this button activate spot massage at the required location. Press this again to switch to partial function. 18.Partial The Partial Back massage. Press this button to switch to partial function. Notes : 21.KNEADING Kneading function Start Stop Control Button -5 levels of strength to be adjusted Press this button to activate rhythmic mode 1 Kneading function for a full back massage at medium strength. Press the button again to activate mode 2 Kneading function. Press the button for the third time to stop Kneading function and switch to mode 1 Swedish function. 21.SWEDISH Swedish function Start/Stop Control Button -5 levels of speed to be adjusted. When mode 2 Kneading function is engaged, press this button to activate rhythmic mode 1 Swedish function for a full back massage at medium speed. Press this button again to activate mode 2 Swedish function. Press once more to stop the Swedish function. To activate Swedish fun…

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

Cover Letter(s)

XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Agent Authorization Letter 2020-07-03 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]

Cover Letter(s)

Declaration statement Letter 2020-07-03 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-EI8502A) 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]

Cover Letter(s)

XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD Long Term Confidentiality Request Letter 2020-07-03 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (FCC ID: YMX-EI8502A) 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]

Cover Letter(s)

Model difference letter 2020,07,03 Dear MET Reviewer, This is a new Application from XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Model No.: EI-8502A, Maxim 3D LE Only the model EI-8502A 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, pack 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]

External Photos

Test Model No.: EI-8502A Right-side plate

ID Label/Location Info

Test Model No.: EI-8502A

ID Label/Location Info

Massage Chair Model: EI-8502A Rating: 110-120V~ 60Hz Rated current: 1.1A Rated Time: 15minutes Serial No.: FCC ID: YMX-EI8502A IC: 7284A- EI8502A 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. 79mm 59mm Massage Chai r Model: Maxim 3D LE Rating: 110-120V~ 60Hz Rated current: 1.1A Rated Time: 15minutes Serial No.: FCC ID: YMX-EI8502A IC: 7284A- EI8502A 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. 79mm 59mm

Internal Photos

Note: The EUT Bluetooth module is in the right-side plate.

RF Exposure Info

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. : CQASZ20200600558E-02 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): EUT Name: Massage Chair Model No.: EI-8502A, Maxim 3D LE Test Model No.: EI-8502A Brand Name: N/A FCC ID: YMX-EI8502A Standards: 47 CFR Part 1.1307 47 CFR Part 1.1310 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2020-06-17 Date of Test: 2020-06-17 to 2020-06-28 Date of Issue: 2020-06-28 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) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600558E-02 Page:2 of 6 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200600558E-02 Rev.01 Initial report 2020-06-28 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600558E-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.: CQASZ20200600558E-02 Page:4 of 6 3 General Information 3.1 Client Information Applicant: XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD. Address of Applicant: (5/F) NO.168, QIANPU ROAD, SIMING DISTRICT, XIAMEN, CHINA. Manufacturer: Xiamen Healthcare Electronic Co., Ltd. Address of Manufacturer: 65-66#, 62-63#Building, Siming Zone, Tongan Industrial District, Xiamen City, Fujian Province, P.R. China Factory: Xiamen Healthcare Electronic Co., Ltd. Address of Factory: 65-66#, 62-63#Building, Siming Zone, Tongan Industrial District, Xiamen City, Fujian Province, P.R. China 3.2 General Description of EUT Product Name: Massage Chair Model No.: EI-8502A, Maxim 3D LE Test Model No.: EI-8502A Trade Mark: N/A Hardware Version: V1.2 Software Version: M27_V28.7.6 Operation Frequency: 2402MHz~2480MHz Bluetooth Version: V2.1 Modulation Technique: Frequency Hopping Spread Spectrum(FHSS) Modulation Type: GFSK, Ο€/4DQPSK, 8DPSK Number of Channel: 79 Transfer Rate: 1Mbps/2Mbps/3Mbps Hopping Channel Type: Adaptive Frequency Hopping systems Sample Type: Mobile Portable Fix Location Test Software of EUT: RDA ToolKit 8.03.03 (manufacturer declare) Antenna Type: PCB antenna Antenna Gain: 2.0dBi Power Supply: 120V 60Hz Model No.: EI-8502A, Maxim 3D LE Only the model EI-8502A 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, pack and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600558E-02 Page:5 of 6 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Limitst According to FCC Part1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in part1.1307(b) F= Frequency in MHz Friis Formula Friis transmission formula: Pd = (Pout*G)/(4* Pi * R 2 ) Where Pd = power density in mW/cm2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. 4.1.2 Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600558E-02 Page:6 of 6 4.1.3 EUT RF Exposure 1) For BT Antenna Gain: 2.0dBi Antenna Gain: The maximum Gain measured in fully anechoic chamber is 1.58 in linear scale. Output Power Into Antenna …

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

Test Report

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 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. : CQASZ20200600558E-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): EUT Name: Massage Chair Model No.: EI-8502A, Maxim 3D LE Test Model No.: EI-8502A Brand Name: N/A FCC ID: YMX-EI8502A Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-06-17 Date of Test: 2020-06-17 to 2020-06-28 Date of Issue: 2020-06-28 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) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600558E-01 Page:2 of 102 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200600558E-01 Rev.01 Initial report 2020-06-28 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600558E-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.: EI-8502A, Maxim 3D LE Only the model EI-8502A 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, pack and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200600558E-01 Page:4 of 102 3 Contents Page 1 VERSION .................................................................................................................................................... 2 2 TEST SUMMARY ....................................................................................................................................... 3 3 CONTENTS ................................................................................................................................................ 4 4 GENERAL INFORMATION ........................................................................................................................ 5 4.1 CLIENT INFORMATION.............................................................................................................................. 5 4.2 GENERAL DESCRIPTION OF EUT ............................................................................................................. 5 4.3 ADDITIONAL INSTRUCTIONS ..................................................................................................................... 7 4.4 TEST ENVIRONMENT ............................................................................................................................... 8 4.5 DESCRIPTION OF SUPPORT UNITS ........................................................................................................... 8 4.6 STATEMENT OF THE MEASUREMENT UNCERTAINTY ................................................................................... 9 4.7 TEST LOCATION .................................................................................................................................... 10 4.8 TEST FACILITY ...................................................................................................................................... 10 4.9 ABNORMALITIES FROM STANDARD CONDITIONS ...................................................................................... 10 4.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER ........................................................................... 10 4.11 EQUIPMENT LIST ................................................................................................................................... 11 5 TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 12 5.1 ANTENNA REQUIREMENT ....................................................................................................................... 12 5.2 CONDUCTED EMISSIONS ....................................................................................................................... 13 5.3 CONDUCTED PEAK OUTPUT POWER ...................................................................................................... 17 5.4 20DB OCCUPY BANDWIDTH ..............................................…

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

Test Setup Photos

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

Contact Information

Applicant

Pengfei Cui(Safety Engineer)
[email protected]+86-592-7266925Fax: +86-592-5532788

Technical Contact

Shenzhen Most Technology Service Co., LtdMark Wen
[email protected]86-755-86170306

No.5, 2nd Langshan Road, North District Β· Shenzhen, Guangdong Β· China

Test Firm

Shenzhen Huaxia Testing Technology Co., LtdJack Ai
[email protected]+8613902988375

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz2.00 mW
Confidentiality
Long Term
Grant Notes
Output Power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter device. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

Other Applications from XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD

Massage Chair - FCC ID YMX-EC8610M - XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
YMX-EC8610M

Massage Chair

Jul 14, 2026

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz
KP05 controller - FCC ID YMX-KP05 - XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
YMX-KP05

KP05 controller

Jul 13, 2026

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter
Massage Chair - FCC ID YMX-EC6701B - XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
YMX-EC6701B

Massage Chair

Mar 23, 2026

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz
Massage Chair - FCC ID YMX-EC6706A - XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
YMX-EC6706A

Massage Chair

Feb 05, 2026

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz
Vending Chair - FCC ID YMX-ES3218D1 - XIAMEN COMFORT SCIENCE & TECHNOLOGY GROUP CO., LTD
YMX-ES3218D1

Vending Chair

Jan 19, 2026

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz