- 4.3" 480 x 272-pixel color display with backlight
- Opus codec support
- Dual USB ports
- Dual firmware images
- T42U (pending)/T43U/T46U/T48U Auto-P template unified
- T42U (pending)/T43U/T46U/T48U firmware unified
- Up to 16 SIP accounts
- Dual-port Gigabit Ethernet
- PoE support
- USB headset and EHS support
- Wi-Fi via WF40/WF50
- Bluetooth via BT40/BT41
- USB recording
- Supports color-screen expansion modules
- Stand with two adjustable angles
- Wall mountable
- Expandable with YEA-EXP43
- PSU (YEA-PS5V2000US) not included
- Does not support EHS36 and EXP40