GV57CG
LTE Cat 1 Waterproof Tracker for E-mobility
The GV57CG is a LTE Cat 1 telematics device that can be used for a wide range of transportation monitoring applications such as micromobility, stolen vehicle recovery, automobile finance and logistics. The device’s IP67-rated waterproof casing design ensures long-term reliability in humid, harsh environments. Its wide operating voltage range of 9~90V also makes it suitable for a variety of electric vehicles, including e-bikes, scooters, golf carts, etc.
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Specifications
LTE Specifications
| Operating Band | LTE FDD: B1/B2/B3/B4/B5/B7/B8/B20/B28 |
| Data Transmission | LTE-FDD: Max 10Mbps (DL)/Max 5Mbps (UL) |
GSM Specifications
| Frequency | 850/900/1800/1900 MHz |
| Data Transmission | EDGE:(DL)236.8Kbps/(UL)236.8Kbps GPRS:(DL)85.6Kbps/(UL)85.6Kbps |
GNSS Specifications
| GNSS Type | High-precision GNSS receiver |
| Constellation Support | GPS, Beidou |
| Sensitivity | Cold start: -147dBm Hot start: -155 dBm Tracking: -160 dBm |
| Position Accuracy (CEP) | Autonomous: < 2m |
| TTFF (Open Sky) | Cold start: 28 seconds average Hot start: 1 second average |
General Specifications
| Dimensions | 84(L) x 50(W) x16.6(H)mm |
| Weight | 76g |
| Backup Battery | Li-Polymer, 190 mAh |
| Operating Voltage | 9~90V DC |
| Operating Temperature | -30℃ ~ +70℃ -40℃ ~ +80℃ for storage |
| Waterproof | IP67 compliant |
| Buffer Messages | UP to 10,000 buffer messages |
Interfaces
| Digital Input | 1 × positive trigger input for ignition detection |
| Analog Input | 1 x analog input (0V ~ 16V) |
| Latched Digital Output | 1 x digital output with one internal latch circuit, open drain, 150 mA max drive current |
| Cellular Antenna | Internal only |
| GNSS Antenna | Internal only |
| BLE Antenna | Internal only |
| LED Indicators | CEL，GNSS |
| Micro USB Interface | Used for configuration, upgrade and debugging |
Air Interface Protocol
| Transmission Protocol | TCP, UDP, SMS |
| Scheduled Report | Report position and status based on preset time intervals, distance, mileage or a combination of these settings |
| Geo-fences | Geo-fence alarm and parking alarm, support up to 20 internal geo-fence regions |
| Speed Alarm | Flexible speed monitoring for unusual speed alarm |
| Low Power Alarm | Alarm when backup battery is low |
| Power On Report | Report when the device is powered on |
| Tow Alarm | Alarm for tow event in ignition-off state |
| Driving Behavior Monitoring | Aggressive driving behavior detection, including harsh braking, acceleration, etc. |
| Crash Detection | Accident data collection for reconstruction and analysis |
| Remote Control | OTA control of digital outputs |
| SOS Alarm | Alarm message report triggered by panic button in emergency situation |
| Virtual Ignition Detection | Based on voltage and accelerometer |
| Jamming Detection | Alarm based on jamming detection |
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