4G PTT Phone  (Push To Talk Walkie Talkie Over Cellular)


Perfect for workers, trucking companies or emergency responders to stay connected. Utilizing the latest technology, the WIT28 is a compact, rugged and waterproof PTT phone powered by easy-to-use dispatching platform. Equipped with a touch screen, it allows you to quickly choose channels and configure device settings. WIT28 is built with standard cellular GSM/4G mobile phone network and can be used anywhere there's a mobile phone signal. 4000mAh battery provides extended battery life.


  • Save on two way radio expensive licensing and other cost 
  • 4G/3G/WIFI/Bluetooth
  • Push-to-talk over cellular
  • Group & Private call
  • GPS satellite position
  • Two cameras
  • Live video streaming
  • One key SOS alarm
  • Android OS
  • PC dispatcher & App
  • NFC(Optional)



4G PTT Phone (Push To Talk Walkie Talkie Over Cellular)

  • Band 2G:850/900/1800/1900
    4G:LTE FDD: B1.B2 B3.B4.B5.B7.B8.B17.B20 
    LTE TDD: B38.B39.B40.B41;
    Memory 1GB RAM+8 GB ROM, DDR3
    Display 2.8inch,TFT(240*320), capacitive touch screen, Multi-Touch
    Camera Front Camera 2MP; Main Camera 5MP
    Speaker 36MM speaker,8Ω,2W
    Battery 4000mAh
    External SD card Maximum support 64GB SD card
    SIM Card Slot Micro SIM, 1 Slot
    GPS Support
    Wifi/Bluetooth WiFi(802.16b/g/n/ac)/BT4.0
    Interface type MicroUSB2.0,support OTG;
    M6, Support External Earphone; Support External Camera; 
    Dimension/Weight 124mm×62mm×27mm/240g(Including Battery)
    Button PTT;Volume ;Capture;SOS;Power
    Environment Work Temperature 15℃ ~ +60℃  Storage Temperature:-40℃ ~ +85℃
    Humidity:20% ~ 90%
    Warranty 12 Months
    Charging USB Charger,1.5A Fast Charging,Support Desktop Charger