GPS Tracking Devices
Dedicated GPS tracking hardware for fleet management applications.
Overview
GPS tracking devices are specialized hardware units installed in vehicles to transmit location data and other telemetry to fleet management platforms.
Types of GPS Trackers
Hardwired Trackers
Permanently installed devices connected directly to vehicle power.
Advantages:
- Constant power supply
- Hidden installation (anti-theft)
- Access to vehicle systems
- Immobilizer capability
Popular Models:
- Queclink GV300
- Teltonika FMB920
- Concox GT06N
OBD Trackers
Plug-and-play devices that connect to the OBD-II port.
Advantages:
- Easy installation
- Access to diagnostic data
- No wiring required
- Portable between vehicles
Popular Models:
- Vyncs GPS Tracker
- TrackPort 2.0
- AutoPi CM4
Battery-Powered Trackers
Portable devices with internal batteries.
Advantages:
- No installation required
- Covert placement
- Asset tracking capability
Considerations:
- Battery life (days to months)
- Recharging requirements
Key Specifications
When evaluating GPS trackers:
| Specification | Description |
|---|---|
| GNSS | GPS, GLONASS, Galileo, BeiDou support |
| Update Frequency | How often location is reported (1s to 1h) |
| Cellular Bands | 2G, 3G, 4G LTE, 5G support |
| Inputs/Outputs | Digital inputs, relay outputs, analog inputs |
| Battery Backup | Internal battery for power loss situations |
| IP Rating | Protection against dust and water |
| Operating Temp | Temperature range for operation |
Protocol Support
Most GPS trackers use one of these protocols:
- GT06 / GT02 - Common Chinese device protocol
- TK103 - Widely supported protocol
- Teltonika - Proprietary binary protocol
- HTTP/JSON - Modern REST-based protocols
Open Source Firmware
Some trackers support open-source firmware:
OpenGPS
Community firmware for compatible MTK-based devices.
Custom Firmware Development
Guides for developing custom firmware on supported hardware platforms.