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YEALINK WF40 IP PHONE WI-FI USB DONGLEType: Wi-Fi USB DongleSpecifications: Network Standard:IEEE802.11b/g/ n
Transmission Rate:150 Mbps
Frequency Range: 2.4 GHz
Security:64 / 128 / 152-bit WEP Encryption, WPA-PSK, WPA2-PSK
Interface: USB2.0
Working Temperature: 0 degree C ~ +50 degree C ( 32 degree F ~ 122 degree F)
Storage Temperature: -40 degree C ~+85 degree C (-40 degree F ~ 185 degree F)Model #: YEA-WF40
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YEALINK CAM50 2 Mega-pixel HD Camera for T58V and T58AType: CameraSpecifications: Video codec: H.264 High Profile, H.264, VP8
White Balance
Automatic Exposure
Horizontal Field of View: 63.2 degree
Vertical Field of View: 38 degree
Diagonal Field of View: 70 degree
LED indicator
Interface: USB 2.0
Power: 5V @ <500 mA via USB port
Operating humidity: 10~95%
Operating temperature: 0~40 degree CModel #: YEA-CAM50
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Yealink SIP-T28P Executive IP Phone w/POEBrand: YealinkType: Wired VoIPSecurity: HTTPS (server/client)
SRTP (RFC3711)
Transport Layer Security (TLS)
VLAN (802.1 pq), QoS
Digest authentication using MD5/MD5-sess
Secure configuration file via AES encryption
Phone lock for personal privacy protection
Admin/user configuration modePorts: 1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port, 2xRJ45 10/100M Ethernet ports, 1xRJ12 (6P6C) expansion module portModel #: YEA-SIP-T28P