GH4000 is a life tracking device with built-in GNSS and GSM connectivity, which is able to collect device coordinates and other useful data to transfer them via GSM network to server. Device can be used as a mobile phone for call centers or in applications where location acquirement of remote objects is needed.


  • Outdoor safety for elderly people
  • Lone worker protection (Man Down function)
  • Children protection
  • Sport events tracking
  • Car protection
  • Asset security
  • Employee control


  • Global positioning system/Global Navigation Satellite System (GNSS)
  • General Packet Radio Service (GPRS)
  • Short Message Service (SMS)


  • Internal GSM antenna
  • Internal GNSS antenna
  • Accelerometer
  • Battery – 1050mAh Li-ion 3,7V
  • IP31
  • 1MB memory
  • Overvoltage protection
  • Configurable buttons
  • Vibrator
  • 1x SIM Card
  • USB 2.0 Interface
  • Man-down function: movement sensor for fall detection and power saving
  • Alarm button for data and voice transmission
  • Voice calls
  • Loudspeaker
  • Polygonal Geofence zones
  • Parking function
  • Silent call
  • Remote control by SMS
  • Real Time tracking
GNSS module -161 dBm sensitivity
Quad-band 900/1800 MHz; 850/1900 MHz
Internal memory 1Mb
Connector Micro USB
Execution Five keys for a function
Recommended operating temperature 0 up to 50C
Storage temperature -20 up to 60C
Three LED indicators for device status indication
Weight 80g
Battery 1050mAh (Li-ion)
Dimensions 92x44x18
Sending acquired data via GPRS (TCP/IP and UDP/IP protocols)
Movement sensor