Block 10 Ubi Crescent, Unit 02-70,
Lobby D Ubi Techpark, Singapore 408564
4.3" 480 x 272-pixel color display with backlight Adjustable LCD screen Dual firmware images T53/T53W/T54W/T57W firmware unified Built-in Bluetooth 4.2 Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/n) USB 2.0 port for USB recording, wired/wireless USB headsets and EXP50 Up to 16 VoIP accounts Dual-port Gigabit Ethernet PoE support HAC Handset Paperless label design Wall mountable