FCC ID: T2C-WH62 DECT Wireless Headset

WHB620,WHD622,WHM621 DECT Wireless HeadsetQuick Start GuideV1.0Yealink Documentationsupport.yealink.com Package List Micro USB to USB-A USB2.0 Cable 0.8M WHB620 Base (Teams/UC) WHM621/WHD622 Headset Micro USB to USB-A USB2.0 Cable 1.2M Power Adapter Quick Start Guide B u s y l i g h t B LT 6 0

(Optional) We recommend that you use the included accessories, and other accessories may have compatibility issues that prevent them from working properly. How to Connect Busylight BLT60 Headset Wear and Adjustment 1/2 12mm Earmuff Replacement How to Use PC Button 1 Teams Button Voice Assistant Button 3 3 Teams Edition UC Edition 2 Phone Button Press to enter the softphone dialing screen, answer or enter a softphone's call. Press to enter the phone dialing screen, answer or end a phone's call. 1 2 (Teams Edition) Press to invoke the Teams client; Hold 2 seconds to activate Cortana. 3

(UC Edition) Hold 2 seconds to activate voice assistant. Before using the Teams button functions, you should install the Microsoft Teams client on your PC, smartphone or tablet. Mute Button Volume Up 4 5 Volume Down 7 6 Teams Button/

Answer Call Button Press to mute or unmute microphone. Hold 2 seconds to activate Cortana; Press to turn up/down volume. Press to answer, reject, or end a call. 4 6 5 7 Regulatory Notices Operating Ambient Temperatures Operating temperature: +14 to 122F (-10 to 50C) Relative humidity: 5% to 90%, noncondensing Storage temperature: -22 to +160F (-30 to +70C) 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. 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 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 support@yealink.com. perils. ENVIRONMENTAL RECYCLING 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 the process of storage, transportation, and operation, please always keep the device dry and During the process of storage, transportation, and operation, please avoid collision and crash of the during operation. clean. 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. rials. 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-

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. Never dispose of the device with domestic waste Ask your Town Council about how to dispose of it in an environmentally friendly way. The cardboarc box, plastic packaging and player components may be recycled in accordance with prevailing recycling regulations in your country. Always adhere to prevailing regulations Those who fail to do so may be fined or prosecuted in accordance with the law. The crossed out garbage can that appears on the device means that when it has reached the end of its useful life, it should be taken to a special waste disposal centre and treated separately to general urban waste. Troubleshooting The unit cannot supply power to Yealink device. There is a bad connection with the plug. 1. Clean the plug with a dry cloth. 2. Connect it to another wall outlet. The usage environment is out of operating temperature range. 1. Use in the operating temperature range. The cable between the unit and the Yealink device is connected incorrectly. 1. Connect the cable correctly. You cannot connect the cable properly. 1. You may have connected a wrong Yealink device. 2. Use the correct power supply. Some dust, etc., may be in the port. 1. Clean the port. Contact your dealer or authorized service facility for any further questions. Contact Information YEALINK NETWORK TECHNOLOGY CO.,LTD. 309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, P.R.C YEALINK (EUROPE) NETWORK TECHNOLOGY B.V. Strawinskylaan 3127, Atrium Building, 8th floor, 1077ZX Amsterdam, The Netherlands YEALINK (USA) NETWORK TECHNOLOGY CO., LTD. 999 Peachtree Street Suite 2300, Fulton, Atlanta, GA, 30309, USA Made in China FCC Caution:

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. IMPORTANT NOTE:

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. ISEDC Warning This device complies with Innovation, Science, and Economic Development Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

(1)this device may not cause interference, and

(2)this device must accept any interference, including interference that may cause undesired operation of the device. Le prsent appareil est conforme aux CNR d' Innovation, Sciences et Dveloppement conomique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorise aux deux conditions suivantes :

(1)l'appareil nedoit pas produire de brouillage, et compromettre le fonctionnement.

(2)l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en Radiation Exposure Statement For Base: This equipment complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. Cet metteur ne doit pas tre Co-plac ou ne fonctionnant en mme temps quaucune autre antenne ou metteur. Cet quipement devrait tre install et actionn avec une distance minimum de 20 centimtres entre le radiateur et votre corps. For Headset :The device has been tested and comply with FCC and IC SAR limits. L'appareil a t test et est conforme aux restrictions FCC et IC SAR.

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)

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: chenjl@yealink.com 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: chenjl@yealink.com 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 Commissions Rules, YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. hereby requests long-term confidential treatment of information accompanying this application as outlined below:

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:

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. Block Diagram Schematics Operation Description Internal Photos Users Manual External Photos Test Set-up Photos 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: chenjl@yealink.com 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 QA-FR-170-B 7/29/2014

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: chenjl@yealink.com 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 well be responsible for all the consequences. Please contact me if you have any question. Sincerely, Signature:

Stone Lu Vice General Manager