Over 12 Years of Experience in GPS Tracking


Mini Vehicle Tracking Device with Internal Battery
As an ultra-compact vehicle tracker designed for a broad variety of vehicle tracking applications, the GV55 GPS tracking device includes multiple I/0 interfaces used for the control and monitoring of external equipment.  The GV55 offers higher sensitivity and faster times to first fix.

Quad band GPRS/GSM supports 850/900/1800/1900 MHz for real time or intermittent tracking alerts through a backend server or mobile devices.  A 3-axis accelerometer allows motion detection capabilities for extending battery life.



  • Extremely compact enclosure 63mm*50mm*21.8mm
  • Internal 3-axis accelerometer supporting driving behavior monitoring, power conservation and motion detection
  • Internal u-blox chipset
  • Low power consumption, long standby time with internal battery
  • Quad band GSM/GPRS 850/900/1800/1900 MHz
  • Embedded full featured @Track protocol
  • Multiple I/O interfaces for monitoring and control
  • Internal GSM antenna
  • Internal GPS antenna
  • CE/FCC/PTCRB/E-Mark certified


GSM Specifications
Frequency Quad band: 850/900/1800/1900 MHz
ompliant to GSM phase 2/2+
-Class 4 (2W @ 850/900 MHz)
-Class 1 (1W @ 1800/1900 MHz)
GPRS GPRS multi-slot class 12
GPRS mobile station class B
RMS Phase Error 5 deg
Max Out RF Power GSM850/GSM900: 33.0±2 dBm
DCS/PCS: 30.0±2 dBm
Dynamic Input Range -15 ~ -108 dBm
Receiver Sensitivity Class Ⅱ RBER 2% (-107 dBm)
Stability Of Frequency < 2.5 ppm
Max Frequency Error ± 0.1 ppm
GPS Specifications
GPS Chipset u-blox All-In-One GPS receiver
Sensitivity Autonomous: -148 dBm
Hot start: -160 dBm
Tracking: -162 dBm
Position Accuracy Autonomous: < 2.5m
SBAS: 2.0m
TTFF (Open Sky) Cold start: 30s average
Warm start: < 30s
Hot start: < 1.2s
Digital Inputs Two digital inputs
One positive trigger for ignition detection
One negative trigger input for normal use
Digital Outputs One digital output, open drain, 150 mA max current drain
Latched Digital Outputs One digital output with internal latch circuit, open drain, 150 mA max current drain
GSM Antenna Internal only
GPS Antenna Internal only
Indicator LED GSM, GPS and power
Mini USB Port Mini USB port for upgrading and debugging
General Specifications
Dimensions 63mm*50mm*21.8mm
Weight 50g
Backup Battery Li-Polymer 250mAh
Standby Time Without reporting: 60 hours
5 minutes reporting: 27 hours
10 minutes reporting: 32 hours
Operating Voltage 8V to 16V DC
OperatingTemperature -30°C ~ +80°C (without battery)
-40°C ~ +85°C for storage (without battery)
Air Interface Protocol
Transmit Protocol TCP, UDP, SMS
Power Supply Monitoring Alarm status reporting of the external power and backup battery of the device
Scheduled Report Report position at a preset time interval, distance, mileage or combination of these values
Geo-fence Geo-fence alarm and parking alarm, support up to 20 internal geo-fence regions
Tow Alarm Alarm report for movement when ignition is off
Speed Alarm Flexible speed monitoring for unusual speed alarm
Driving Behavior Monitoring Aggressive driving behavior detection, e.g. harsh braking and acceleration
Crash Detection Accident data collection for reconstruction and analysis
Special Alarm Special alarm based on the digital inputs
Remote Control OTA control of device outputs
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