AT4 GPS Tracker

Compact self-powered, rugged long-life asset tracker.

The state-of-the-art features and rugged design make the AT4 GPS Tracker ideal for vehicle and asset tracking.

Using GPS positioning and GSM communication, the AT4 allows flexibility and gives you real time visibility of your assets. With an ultra long life battery (10000mAh), IPX5 water proof enclosure, strong magnetic back plate for easy self-attach and detachment with tamper detection, this unit allows you to be in complete control of your assets.

Applications: Vehicle tracking, Asset tracking, Trailer rental, Equipment rental, Fleet management, Plant hire, logistics.


  • GPS + LBS + WIFI positioning. Allow the location to be pinpointed in  real time or periodically
  • IPX5 water and dust proof. Water-resistant case to ensure stable operation in tough environment
  • Listen-in. Listen to the surroundings by sending a text message
  • Tamper alert.  Once the device is disassembled,  you will get informed immediately.
  • Intelligent power management. Reduce inefficient power consumption when the device stays idle
  • 10000mAh battery. High capacity Li-ion battery ensuring  sufficient power supply
  • Strong magnet. Strong magnetic cover allowing for flexible mounting on vehicles or assets

GSM Specification

  • GSM frequency: 850/900/1800/1900MHz
  • GPRS: Class 12, TCP/IP
  • Memory: 32 + 32Mb
  • Phase error: RMSPE<5,PPE<20
  • Max output: GSM850/GSM900:33+-3dBm GSM1800/GSM1900:30+-3dBm
  • Max frequency error: +-0.1ppm
  • Receive sensitivity: Class II RBER2%(-102dBm)

GPS Specification

  • Chipset: High sensitivity GPS chips
  • Frequency: GPS L1, 1575.42MHz
  • Channel: 66
  • Location Accuracy: <10 meters
  • Tracking sensitivity: -165dBm
  • Acquisition sensitivity: -148dBm
  • TTFF (open sky):
    • Avg. hot start<-1 sec
    • Avg. cold start <- 32 sec

Function & Package

  • Switch: base disassembly detection; inner disassembly detection; power control switch
  • GSM/GPS antenna: Built-in quad band GSM antenna, GPS ceramic antenna and WiFi antenna
  • LED indicator: Red – working status; Green(4) – battery
  • Working voltage/current: 3.7V/60mA
  • Tracking mode: 30 days (drive for 2 hours per day)
  • Operating temperature: -20C – +70C
  • Battery: 10000mAh/3.7V industrial grade lithium polymer battery
  • Charger: 5VDC/2A
  • Charging hour: 8 hours
  • Device weight: 285g
  • Device dimension: 109 x 61 x 30mm

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