GL300W Series

WCDMA/GSM Advanced Asset Tracker
Product Description: 


The GL300W Series includes two GPS trackers that are designed for lone worker safety and asset monitoring applications. The ergonomically designed button makes the series ideal for applications requiring rapid emergency alert or instant geo-fencing based on current location. The series supports both 2G and 3G network for a wide application across the world.


  • Water resistant
  • Embedded full-featured @Track protocol
  • Internal u-blox GPS chipset
  • Internal WCDMA/GPS antennas

  • Thumb sized button allowing easier emergency alert or instant geo-fence setting
  • Internal 3-axis accelerometer for power saving and motion detection

  • Full power management , can be connected to external DC power or battery
  • FCC/PTCRB/AT&T certified (GL3028W)
  • CE/FCC (GL300W)

GL3000W Product Series

Model No. Region Operating Band Certificate
GL300W Worldwide

GSM 850/900/1800/1900 MHz

UMTS 850/1900/2100 MHz


GL3028W North America

UMTS/HSPA 850/900/1900/2100 MHz

GSM/GPRS 850/900/1800/1900 MHz



RF Specifications



GL300W GL3028W
Operating Band

UMTS: 850/1900/2100 MHz

GSM/GPRS: 850/900/1800/1900 MHz

UMTS/HSPA: 850/900/1900/2100 MHz

GSM/GPRS: 850/900/1800/1900 MHz

Data Transmission

GPRS multi-slot class 12

GPRS multi-slot class 12

EDGE multi-slot class RX

Transmitting Power

Class 4 (33±2 dBm) for GSM 850 and EGSM 900

Class 1 (30±2 dBm) for DCS 1800 and PCS 1900

Class 3 (24+1/-3 dBm) for UMTS 850/1900/2100

33 dBm for GSM 850 and EGSM 900

30 dBm for DCS 1800 and PCS 1900

23 dBm for UMTS 850/900/1900/2100




GNSS Type u-blox All-In-One GPS 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: 29s average

Warm start: 27s average

Hot start: 1s average




Digital Inputs 1 positive trigger input for ignition detection
1 negative trigger input for normal use
Power Button Power on and power off, can be disabled by the air interface protocol
Function Button With Vibration Feedback Emergency alert or instant geo-fence setting
Cellular Antenna Internal only
GPS Antenna Internal only
LED Indicators CEL, GPS, PWR
Mini USB Interface Used for external power and configuration



General Specifications


39.9mm(L) x 26.7mm(W) x 77.9mm(H)

Weight  93g
Internal Battery Li-Polymer, 2600 mAh
Standby Time

Without reporting: 670 hours

5 minutes’ reporting: 320 hours

10 minutes’ reporting: 410 hours

Water Resistance IPX5 compliant
Charging Voltage 5V DC
External Battery Voltage 3.5V to 4.2V DC
Operating Temperature -20℃ ~ +55℃



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
Low Power Alarm Alarm when battery is low
Geo-fences Support up to 20 internal geo-fence regions
Power On/Off Report Report when the device is powered on and off
SOS/Emergency Alarm SOS alarm when function key is pressed
Special Alarm Special alarm based on digital inputs
Motion Detection Motion alarm based on internal 3-axis accelerometer