Block 10 Ubi Crescent, Unit 02-70,
Lobby D Ubi Techpark, Singapore 408564
7 inch (1024 x 600) capacitive adjustable touch screen 720p30 HD video (with CAM50) Runs Android 5.1.1 Yealink Noise Proof Technology Yealink's SDK (Software Development Kit) DoorPhone Features (Preview, One-button Open, Monitoring) Built-in Bluetooth 4.2 for headsets and pairing mobile devices Built-in 2.4G/5G Wi-Fi (802.11a/b/g/n/ac) USB 2.0 port for USB headset, media and storage applications Opus Codec support Up to 16 VoIP accounts Up to 10-party audio conferencing PoE support Wall mountable Color-screen Expansion Module support Only the firmware version 58.83.0.15 or later are supported