T2C-WH62DECT Wireless Headset

DECT Wireless Headset Quick Start Guide V1.0 Yealink Documentation support.yealink.com WH B620,WHD622,WHM621 Package List WHB620 Base (Teams/UC)WHM621/WHD622 Headset Quick Start Guide We recommend that you use the included accessories, and other accessories may have compatibility issues that prevent them from working properly. Power Adapter Micro USB to USB-A USB2.0 Cable 0.8M Micro USB to USB-A USB2.0 Cable 1.2M Busylight BLT60 (Optional) How to Connect Busylight BLT60 Headset Wear and Adjustment Earmuff Replacement 1/2’’ 12mm How to Use 1 3 2 (Teams Edition) Press to invoke the Teams client; Hold 2 seconds to activate Cortana. (UC Edition) Hold 2 seconds to activate voice assistant. PC Button Teams Button Voice Assistant Button Before using the Teams button functions, you should install the Microsoft Teams client on your PC, smartphone or tablet. 3 Teams Edition UC Edition 3 1 2 Phone Button Press to enter the phone dialing screen, answer or end a phone's call. Press to enter the softphone dialing screen, answer or enter a softphone's call. Volume Up Volume Down Teams Button/ Answer Call Button Mute Button 6 5 7 4 4 5 7 Hold 2 seconds to activate Cortana; Press to turn up/down volume. Press to mute or unmute microphone. Press to answer, reject, or end a call. 6 Regulatory Notices Operating Ambient Temperatures • Operating temperature: +14 to 122°F (-10 to 50°C) • Relative humidity: 5% to 90%, noncondensing • Storage temperature: -22 to +160°F (-30 to +70°C) Warranty Our product warranty is limited only to the unit itself, when used normally in accordance with the operating instructions and the system environment. We are not liable for damage or loss resulting from the use of this product, or for any claim from a third party. We are not liable for problems with Yealink device arising from the use of this product; we are not liable for financial damages, lost profits, claims from third parties, etc., arising from the use of this product. DC symbol is the DC voltage symbol. Restriction of Hazardous Substances Directive (RoHS) This device complies with the requirements of the EU RoHS Directive. Statements of compliance can be obtained by contacting [email protected]. Safety Instructions Save these instructions. Read these safety instructions before use! The following basic safety precautions should always be followed to reduce risk of fire, electrical shock, and other personal injury. General Requirements • Before you install and use the device, read the safety instructions carefully and observe the situation during operation. • During the process of storage, transportation, and operation, please always keep the device dry and clean. • During the process of storage, transportation, and operation, please avoid collision and crash of the device. • Please attempt not to dismantle the device by yourself. In case of any discrepancy, please contact the appointed maintenance center for repair. • Without prior written consent, no organization or individual is permitted to make any change to the struc- ture or the safety design of the device. Yealink is under no circumstance liable to consequences or legal issues caused by such changes. • Please refer to the relevant laws and statutes while using the device. Legal rights of others should be respected as well. Environmental Requirements • Place the device at a well-ventilated place. Do not expose the device under direct sunlight. • Keep the device dry and free of dusts. • Place the device on a stable and level platform. • Please place no heavy objects on the device in case of damage and deformation caused by the heavy load. • Keep at least 10 cm between the device and the closest object for heat dissipation. • Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made mate- rials. • Keep the device away from any heat source or bare fire, such as a candle or an electric heater. • Keep the device away from any household appliance with strong magnetic field or electromagnetic field, such as a microwave oven or a refrigerator. Operating Requirements • Do not let a child operate the device without guidance. • Do not let a child play with the device or any accessory in case of accidental swallowing. • Please use the accessories provided or authorized by the manufacturer only. • The power supply of the device shall meet the requirements of the input voltage of the device. Please use the provided surge protection power socket only. • Before plugging or unplugging any cable, make sure that your hands are completely dry. • Do not spill liquid of any kind on the product or use the equipment near water, for example, near a bathtub, washbowl, kitchen sink, wet basement or near a swimming pool. • Do not tread on, pull, or over-bend any cable in case of malfunction of the device. • During a thunderstorm, stop using the device and disconnect it from the power supply. Unplug the power plug and the Asymmetric Digital Subscriber Line (ADSL) twisted pair (the radio frequency cable) to avoid lightning strike. • If the device is left unused for a rather long time, disconnect it from the power supply and unplug the power plug. • When there is smoke emitted from the device, or some abnormal noise or smell, disconnect the device from the power supply, and unplug the power plug immediately. Contact the specified maintenance center for repair. • Do not insert any object into equipment slots that is not part of the product or auxiliary product. • Before connecting a cable, connect the grounding cable of the device first. Do not disconnect the ground- ing cable until you disconnect all other cables. Cleaning Requirements • Before cleaning the device, stop using it and disconnect it from the power supply. • Use a piece of soft, dry and anti-static cloth to clean the device. • Keep the power plug clean and dry. Using a dirty or wet power plug may lead to electric shock or other perils. ENVIRONMENTAL RECYCLING Never dispose of the device wi…

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YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. 309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] Attestation Letter Date: 2020/09/24 To whom it may concern: The RF chip, model ATS2833, which installed in our product DECT Wireless Headset, Model: WHD622,WHM621, FCC ID: T2C-WH62, support bluetooth function. For marketing purpose this chip not support bluetooth function. The bluetooth function has been shielded by the manufacturer using the software. Sincerely Yours, Signature: Stone Lu Vice General Manager

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. 309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2020-09-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD., the undersigned, hereby authorizes Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corporation on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Stone Lu Vice General Manager

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. 309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] FCC Confidential Authorization Date: 2020-09-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: T2C-WH62 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description As well as short-term confidential treatment of information accompanying this application for a period of 180 days after grant is issued as outlined below: • Internal Photos • User’s Manual • External Photos • Test Set-up Photos The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Stone Lu Vice General Manager

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. 309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, China Tel: 86-592-5702000 Fax: 86-592-5702455 Email: [email protected] Pr oduct Similar ity Declar ation Date: 2020-09-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD., hereby declare that we have a product named as DECT Wireless Headset,(model:WHD622, FCC ID:T2C-WH62) was tested by BACL, Meanwhile, for our marketing purpose, we would like to list a series model (WHM621) on reports and certificate, all the models are identical in schematics& trade name, they only have different model name and loundspeaker and different battery. No other changes are made on them. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely, Signature: Stone Lu Vice General Manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 1 of 7 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Model: WHD622 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 2 of 7 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 3 of 7 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 4 of 7 Model: WHM621 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 5 of 7 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 6 of 7 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 7 of 7

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF EXHIBIT A - FCC ID LABEL AND LOCATION Model: WHD622 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925) Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Model: WHM621 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 1 of 13 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Model: WHD622 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 2 of 13 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 3 of 13 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 4 of 13 Antenna 1 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 5 of 13 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 6 of 13 Antenna 0 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 7 of 13 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 8 of 13 Model: WHM621 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 9 of 13 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 10 of 13 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 11 of 13 Antenna 1 Antenna 0 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 12 of 13 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200819005-RF Page 13 of 13

Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. SAR TEST REPORT For YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. FCC: 309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, China IC: 309, 3rd Floor, No.16, Yun Ding North Road, Huli District Xiamen City Fujian 361008 China (Peoples Republic Of) FCC ID: T2C-WH62 IC: 10741A-WH62 Report Type: Original Report Product Type: DECT Wireless Headset Report Number: RSZ200819005-SA Report Date: 2020-09-22 Reviewed By: Yates Li SAR Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200819005-SA SAR Test Report 2 of 49 Attestation of Test Results EUT Information EUT Description DECT Wireless Headset Tested Model WHD622 Multiple Model WHM621 FCC ID T2C-WH62 IC 10741A-WH62 Serial Number RSZ200819005-RF-S1 Test Date 2020-09-12 MODE Max. SAR Level(s) Reported(W/kg) Limit (W/kg) DECT 1g Head SAR 0.09 1. 6 Applicable Standards FCC 47 CFR part 2.1093 Radiofrequency radiation exposure evaluation: portable devices IEEE1528:2013 IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques RSS-102 Issue 5 March 2015 Radio Frequency (RF) Exposure Compliance of Radio communication Apparatus (All Frequency Bands). IEC 62209-2:2010 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices-Human models, instrumentation, and procedures-Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices used in close proximity to the human body (frequency range of 30 MHz to 6 GHz) KDB procedures KDB 447498 D01 General RF Exposure Guidance v06. KDB 648474 D04 Handset SAR v01r03. KDB 865664 D01 SAR measurement 100 MHz to 6 GHz v01r04 KDB 865664 D02 RF Exposure Reporting v01r02 Note: This wireless device has been shown to be capable of compliance for localized specific absorption rate (SAR) for General Population/Uncontrolled Exposure limits specified in FCC 47 CFR part 2.1093 and has been tested in accordance with the measurement procedures specified in IEEE 1528-2013 and RF exposure KDB procedures. The results and statements contained in this report pertain only to the device(s) evaluated. Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200819005-SA SAR Test Report 3 of 49 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 EUT DESCRIPTION ................................................................................................................................................... 5 TECHNICAL SPECIFICATION ......................................................................................................................................... 5 REFERENCE, STANDARDS, AND GUIDELINES ................................................................................................. 6 SAR LIMITS ................................................................................................................................................................ 7 FACILITIES ................................................................................................................................................................. 8 DESCRIPTION OF TEST SYSTEM .......................................................................................................................... 9 EQUIPMENT LIST AND CALIBRATION ............................................................................................................. 15 EQUIPMENTS LIST & CALIBRATION INFORMATION ................................................................................................... 15 SAR MEASUREMENT SYSTEM VERIFICATION ............................................................................................. 16 LIQUID VERIFICATION ............................................................................................................................................... 16 SYSTEM ACCURACY VERIFICATION .......................................................................................................................... 17 EUT TEST STRATEGY AND METHODOLOGY ................................................................................................. 19 TEST POSITIONS FOR DEVICE OPERATING NEXT TO A PERSON’S EAR ....................................................................... 19 CHEEK/TOUCH POSITION .......................................................................................................................................... 20 EAR/TILT POSITION ................................................................................................................................................... 20 SAR EVALUATION PROCEDURE ................................................................................................................................ 21 CONDUCTED OUTPUT POWER MEASUREMENT ...............…

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Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15D MEASUREMENT AND TEST REPORT For YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. 309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, China FCC ID: T2C-WH62 Report Type: Original Report Product Type: DECT Wireless Headset Re port Number: RSZ200819005-00 Re port Date: 2020-10-19 Reviewed B y: Nancy Wang RF En gineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200819005-00 FCC Part 15D Page 2 of 44 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 LOCAL SUPPORT EQUIPMENT LIST AND DETAILS ........................................................................................................ 6 EXTERNAL I/O CABLE .................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 TEST EQUIPMENT LIST ........................................................................................................................................... 8 FCC §2.1093- RF EXPOSURE ....................................................................................................................................... 9 APPLICABLE STANDARD .............................................................................................................................................. 9 FCC§15.317 & §15.203 - ANTENNA REQUIREMENT ......................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 10 FCC§15.323 (A) - EMISSION BANDWIDTH .......................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 TEST PROCEDURE ...................................................................................................................................................... 11 TEST DATA ................................................................................................................................................................ 11 FCC§15.319 (C) - PEAK TRANSMIT POWER ....................................................................................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 TEST PROCEDURE ...................................................................................................................................................... 14 TEST DATA ................................................................................................................................................................ 14 FCC§15.319 (D) - POWER SPECTRAL DENSITY ....................................…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200819005-RF EXHIBIT D - TEST SETUP PHOTOGRAPHS

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200819005-SA SAR Evaluation Report Page 1 of 2 APPENDIX B EUT TEST POSITION PHOTOS Liquid depth ≥ 15cm • Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962 Head Left Cheek Setup Photo Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200819005-SA SAR Evaluation Report Page 2 of 2 Head Right Cheek Setup Photo