Waterproof Standby Asset Tracker

1. Up to 5 year of standby time

2. Waterproof, compliant to IPX7

3. Rapid and flexible installation

4. Ideal for asset monitoring and management

The GL505 is a product designed for high-value static asset tracking. It features up to 5-year standby time meaning that fit and forget installation leaves users safe in the knowledge that the product will continue to monitor the asset over a long period. Furthermore, its robust waterproof casing makes it ideal for harsh environments. The unique casing design allows rapid, flexible and low-cost installations meaning it can simply be placed with cargo, fixed with four spikes, or set using the optional magnetic holder kit.




GSM Specifications

Frequency Quad band: 850 / 900 / 1800 / 1900 MHz
Compliant to GSM phase 2/2+
-Class 5 (0.8W @ 850/900 MHz)
-Class 1 (1W @ 1800/1900 MHz)
GPRS GPRS multi-slot class 8
GPRS mobile station class B
RMS Phase Error 5 deg
Max RF Output Power GSM850/GSM900: 29.0±2 dBm
DCS1800/PCS1900: 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

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 118 x 69.5 x 26.8mm
4.65”(L) x 2.7”(W) x 1.0”(H)
Weight 140g (4.94oz)
Internal Battery CR123A lithium manganese dioxide battery pack, 1500 mAh, 9V
Standby Time Standby current: < 10 uA
SMS reporting standby:
1 SMS report per day: 1950 days
TCP reporting standby:
1 report per day: 1800 days
4 reports per day: 510 days
5 minutes’ reporting: 11 days
Waterproof IPX7 compliant
Operating Temperature -20℃ ~ +60℃
Buffer Messages Up to 3000 buffer messages


GSM Antenna Internal only
GNSS Antenna Internal only
LED Indicators CEL, GNSS, PWR
Serial Port Internal 8 pin connector for upgrading and debugging

Air Interface Protocol

Command Set @Track protocol command
Simple SMS command
Transmit Protocol TCP, UDP, SMS
Working Mode 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 5 geo-fence regions
Low Power Alarm Alarm when battery is low
Motion Detection Motion alarm trigger and optional change of working mode
Wakeup Report Report when the device wakes up


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