GT03A Large Battery Asset Tracker


GT03A magnetic GPS tracker with large built-in battery

Magnetic GPS tracker is extremely easy and flexible to install using strong magnetic design. IP65 protection allows it to operate even in extreme working environment. With large built-in battery, the device is suitable for asset tracking, vehicle tracking, cargo tracking, race motorcycle tracking, etc.


  • GPS+AGPS+LBS positioning
    Allow the location to be pinpointed accurately and rapidly
  • Vibration and movement alert
    Acquire instant alert when vehicle is vibrated or moved unexpectedly
  • 2500/5000mAh battery
    High capacity Li-ion battery ensuring sufficient power supply
  • Geo-fence alarm
    Create geofences in circle or rectangle for key locations
  • Voice monitor
    Activate listen-in mode via text
  • IP65 dust and waterproof
    Water-resistant to ensure stable operation in tough environment
  • Powerful magnet
    Strong magnetic cover allowing for flexible installation on vehicles or assets
  • Tracked by: SMS, APP, Web
    Reports location in real time through different interfaces


GSM Specification
GSM frequency850/900/1800/1900 MHz
GPRSClass 12, TCP/IP
Phase errorRMSPE<5,PPE<20
Max outputGSM850/GSM900:33±3dBm
Max frequency error±0.1ppm
GPS Specification
GPS chipsetMTK high sensitivity chip
FrequencyL1,1575.42MHz C/A code
GPS channel66
Location accuracy<10 meters
Tracking sensitivity-165dBm
Acquisition sensitivity-148dBm
TTFF (open sky)Avg. hot start≤1sec
Avg. cold start≤35sec
Functional & Package
Voice monitor range≤5 meters
Dust-waterproof levelIP65
Button1xPower On/Off
Working voltage/current3.7VDC/60mA
Charger voltage/current5VDC/1A
Operating temperature-20℃~ 70℃
Battery2500mAh/3.7V & 5000mAh/3.7V
Charging period4 hours/8 hours
Standby time (Deep sleep mode)20 days/40 days
Working time (GPS working mode)30 hours/58 hours


User Manual