- New structure design
- 4.3" 480 x 272-pixel color display with backlight
- Built-in Bluetooth 2.0
- USB 2.0 port for USB recording and wired/wireless USB headsets
- Opus Codec support
- T54S&T52S firmware and Auto-P template unified
- Up to 16 VoIP accounts
- Dual-port Gigabit Ethernet
- PoE support
- Paperless label design
- Wi-Fi via WF40
- Color-screen Expansion Module support
- Stand with 2 adjustable angles
- External Yealink AC adapter (optional)
- 4.3" 480 x 272-pixel color display with backlight
- Built-in Bluetooth 2.0
- USB 2.0 port for USB recording and wired/wireless USB headsets
- Opus Codec support
- T54S&T52S firmware and Auto-P template unified
- Up to 16 VoIP accounts
- Dual-port Gigabit Ethernet
- PoE support
- Paperless label design
- Wi-Fi via WF40
- Color-screen Expansion Module support
- Stand with 2 adjustable angles
- External Yealink AC adapter (optional)