The following table describes the technical specifications of the GL520MG Asset Tracker:

LTE Specifications

Operating Band

Cat M1:
 
LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/
 
B85

 
Cat NB2:(*Cat NB1 is available in Brazil)
 
LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B28/B66/B71/B85

Data Transmission

eMTC (DL) 588 Kbps
 
eMTC (UL) 1119 Kbps
 
NB2 (DL) 127 Kbps
 
NB2 (UL) 158.5 Kbps
 
NB1 (DL) 32 Kbps
 
NB1 (UL) 70 Kbps

 

EGPRS Specifications

Frequency

EGPRS 850 / 900 / 1800 / 1900 MHz

Data Transmission

GPRS: (DL) 107 Kbps, (UL) 85.6 Kbps
 
EDGE: (DL) 296 Kbps, (UL) 236.8 Kbps

 

GNSS Specifications

GNSS Type

u-blox All-in-One GNSS receiver

Sensitivity

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

 


General Specifications

Dimensions

87 × 51 × 30mm
 
3.43’’(L) × 2.01’’(W) × 1.18’’(H)
 
87 × 51 × 33.5mm
 
3.43’’(L) × 2.01’’(W) × 1.32’’(H) (magnetic case mounting version)

Weight

140g (4.94oz)
 
160g (5.64oz)
 
(magnetic case mounting version)

Backup Battery

3 CR123A lithium batteries, 1400 mAh

Standby Time

Standby current: < 8 µA
 
1 report per day (GNSS on): 5 years
 
1 report per day (cell ID only): 7 years
 
*The standby time is estimated under the condition of operating with LTE CAT M1/NB-IoT and the CSQ is greater than 15, working at a constant ambient temperature of 25°C and reporting once a day without any sensors.

Waterproof

IP67 compliant

Operating Temperature

-20℃ ~ +60℃

Internal Temperature Sensor

For temperature monitoring
 
Accuracy: ±1℃

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

Buffer Messages

Up to 10,000 buffer messages

BLE*

Support BLE 5.0

 


 

 

GL520MG Technical Specifications

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

 

Interfaces

Function Button

Used for power on/off and working status checking

BLE Antenna*

Internal only*

LTE Antenna

Internal only

GNSS Antenna

Internal only

LED Indicators

GNSS,Status

 


 

 

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