LTE Long Standby Time Tracker Supports Wireless Charging
Product Description: 

GL501MG is a waterproof GNSS tracker that features up to 1-year standby time powered by internal batteries and supports wireless charging. The device is ideal for lot management and other tracking applications that require real-time monitoring on temperature and light. It’ s buit-in Bluetooth can be used for data transmission. GL501MG supports LTE Cat M1/NB1 network on multiple bands for operation globally with a fallback to EGPRS.




  • Rapid and covert installation – no wiring, no external antennas
  • 1-year standby time with internal battery
  • Support wireless charging
  • Thumb-sized button is used for power on/off and working status checking
  • Motion detection based on internal 3-axis accelerometer
  • Automatic mode switching – power saving mode for long standby time and continuous mode for emergency tracking
  • Temperature monitoring based on internal temperature sensor
  • Tamper detection based on internal light sensor
  • Optional magnetic mounting
  • Waterproof IP67 compliant
  • Support Bluetooth 4.2




GSM Specifications

Frequency 850/900/1800/1900 MHz
Data Transmission

GPRS multi-slot class 33 (33 by default)

EDGE multi-slot class 33 (33 by default)



LTE Specifications

Operating Band Cat M1/Cat NB1:

LTE-TDD: B39 (for Cat.M1 only)

LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B28

Data Transmission

eMTC (DL) 375 Kbps

eMTC (UL) 375 Kbps

NB1(DL) 32 Kbps

NB1 (UL) 70 Kbps



GNSS Specifications

GNSS Type u-blox All-in-One GNSS receiver

Autonomous: -147 dBm

Hot Start: -156 dBm

Reacquisition: -160 dBm

Tracking: -162 dBm

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

Cold start: 27s average

Warm start: 27s average

Hot start: 1s average




Function Button Used for power on/off and working status checking
LTE Antenna Internal only
GNSS Antenna Internal only
BLE Antenna Internal only
LED Indicators GNSS, CEL



General Specifications

Dimensions 3.43”(L) x 2.01”(W) x 1.18”(H)

(87 x 51 x30mm)

3.43”(L) x 2.01”(W) x 1.32”(H)

(87 x 51 x30.5mm)(magnet-mounted version)

Weight 5.29oz (150g)
6.0oz (170g) (magnet-mounted version)
Backup Battery Li-Polymer 3.7V/2400mAH
Charging Method Standby current: < 50 µA

1 report per day: 1 year

Waterproof 5V/1A wireless charging
Operating Temperature -25℃ ~ +60℃
Bluetooth Support BLE 4.2 protocol
Internal Temperature Sensor

For temperature monitoring

Accuracy: ±0.5℃

Internal Light Sensor For tamper detection
Internal Motor For vibration feedback after successful operation of function button
Magnetic Mounting Case (Optional) For easy installation on metal surface



Air Interface Protocol

Command Set @Track protocol command
Transmit Protocol TCP, UDP, SMS
Working Modes

Power saving mode for long standby time

Continuous mode for emergency tracking

Scheduled Timing Report Report position and status at preset time intervals
Geo-fences Support up to 20 internal geo-fence regions
Low Power Alarm Alarm when internal battery is low
Wakeup Report Report when the device wakes up 
Motion Detection  Motion detection based on internal 3-axis accelerometer
Reporting Frequency Adjustment Intelligent adjustment of reporting frequency