Cost-Effective Mini GNSS Tracker
Product Description: 

The GV56 is a cost-effective GNSS tracker designed for a wide range of basic tracking applications. The model has a 1-wire interface used to support either 1-wire temperature sensor or iButton driver ID. Its built-in Bluetooth can be used for both data and voice transmission.



  • Compact Size
  • 1-wire Interface

  • Bluetooth 3.0 & BLE 4.0
  • OTA Control
  • Scheduled Timing Report
  • Geo-fences
  • Power On Report
  • Emergency Alarm
  • External Power Monitoring
  • Motion Detection
  • Driving Behavior Monitoring
  • Crash Detection
  • Tow Alarm





GSM Specifications


Quad band GSM/GPRS 850/900/1800/1900 MHz

Compliant to GSM phase 2/2+

-Class 4 (2W @ 900/850 MHz)

-Class 1 (1W @ 1800/1900 MHz)


GPRS multi-slot class 10

GPRS mobile station class B

RMS Phase Error 5 deg
Max RF Output Power

GSM850/900: 33.0±2 dBm

DCS1800/PCS1900: 30.0±2 dBm

Dynamic Input Range

-15~ -108 dBm

Receiver Sensitivity Class ⅡRBER 2% (-107 dBm)
Stability of Frequency < 2.5 ppm

GNSS Specifications

GNSS Type MTK GNSS receiver

Autonomous: -148 dBm

Hot start: -163 dBm

Tracking: -165 dBm

Position Accuracy (CEP) Autonomous: < 2.5m
TTFF (Open Sky)

Cold start: 32s average

Warm start: 30s average

Hot start: 1s average


Digital Input 1 positive trigger input for ignition detection
Digital Output 1 digital output, open drain, 150 mA max drive current
Analog Input 1 analog input (0V-30V)
1-wire Interface Support 1-wire temperature sensor and iButton driver ID
GSM Antenna Internal only
GNSS Antenna Internal only
Bluetooth Antenna Internal only
LED Indicators CELL, GNSS 

General Specifications

Dimensions 79.5mm(L) x 44.3mm(W) x 11.9mm(H)
Weight 55g 
Backup Battery Li-Polymer, 170 mAh
Standby Time

Without reporting: 45 hours

5 minutes’ reporting: 30 hours

10 minutes’ reporting: 35 hours

Operating Voltage 8V to 32V DC
Operating Temperature

-30℃~ +80℃

-40℃ ~ +80℃ for storage

Bluetooth Support Bluetooth 3.0 (two-way voice communication) & BLE 4.0

Air Interface Protocol

Transmit Protocol TCP, UDP, SMS
Scheduled Report Report position and status based on preset time intervals, distance, mileage or a combination of these settings
Geo-fences Geo-fence alarm, support up to 20 circular and 20 polygon geo-fence regions
Power On Report Report when the device is powered on
Special Alarm Special alarm based on digital inputs
Remote Control OTA control of digital outputs
Motion Detection Motion detection based on internal 3-axis accelerometer
Driving Behavior Monitoring Aggressive driving behavior detection, including harsh braking, acceleration, etc.
Jamming Detection Alarm based on jamming detection
Crash Detection Accident data collection for reconstruction and analysis
Tow Alarm Alarm for tow event in ignition-off state