The GL300 is water resistant, and its GNSS receiver provides both GPS and GLONASS capabilities along with faster times to first fix and increased sensitivity. Quad band GPRS/GSM and 850/900/1800/1900 MHz capabilities support real time tracking or periodic location alerts using a backend server and mobile devices. Motion detection through a 3-axis accelerometer extends battery life. The GL300 supports multiple reporting options including geo-fencing, low battery alert, and scheduled GNSS location alerts.

| GSM Specifications | |
| Frequency |
Quad band: 850/900/1800/1900 MHz
Compliant to GSM phase 2/2+ -Class 4 (2W @ 850/900 MHz) -Class 1 (1W @ 1800/1900 MHz) |
| GPRS |
GPRS multi-slot class 12
GPRS mobile station class B |
| RMS Phase Error | 5 deg |
| Max Out RF Power |
GSM850/GSM900: 33.0±2 dBm
DCS/PCS: 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 Performance (using GPS and GLONASS) | |
| GNSS Receiver Type | 72-channel u-blox M8 engine |
| Sensitivity |
Autonomous: -147 dBm
Hot start: -155 dBm Tracking & navigation: -162 dBm Reacquisition: -160 dBm |
| Position Accuracy |
Autonomous: 2.5m CEP
SBAS: 2.0m CEP |
| TTFF (Open Sky) |
Cold start: 30s average
Warm start: 28s average Hot start: 1s average |
| Interfaces | |
| Digital Inputs |
Two digital inputs
One positive trigger for ignition detection One 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 |
| GSM/GNSS Antennas | Internal only |
| Indicator LED | GSM, GPS and battery status |
| Mini USB Interface | For external power and configuration |
| General Specifications | |
| Dimensions | 68.5mm * 38.5mm * 23.5mm |
| Weight | 60g |
| Battery | Li-Polymer 1300 mAh, 3.7V |
| Standby Time |
Without reporting : 400 Hours
5 minutes reporting : 140 Hours 10 minutes reporting : 180 Hours |
| Water Resistance | IPX5 compliant |
| Charging Voltage | 5V DC |
| External Battery Voltage | 3.5V to 4.5V DC |
| Operating Temperature | -20°C ~ +55°C |
| Air Interface Protocol | |
| Transmit Protocol | TCP, UDP, SMS |
| Scheduled Report | Report position and status according to preset time schedules |
| Geo-fence | Support up to 5 internal geo-fence regions |
| Power On/Off Report | Report when the device is powered on or off |
| Low Power Alarm | Alarm when battery is low |
| SOS/Emergency Alarm | SOS alarm when function key is pressed |
| Special Alarm | Special alarm based on digital input |
| Motion Detection | Motion alarm based on internal 3-axis accelerometer |
650.692.8100
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