Teltonika FMC125 is a professional-grade 4G LTE Cat 1 tracker designed specifically for advanced fleet telematics applications. This versatile device ensures reliable LTE connectivity with GSM fallback for uninterrupted communication. It features integrated GNSS supporting multiple global navigation systems (GPS, GLONASS, GALILEO, BEIDOU, SBAS, QZSS, DGPS, AGPS) delivering high accuracy positioning with under 2.5 m CEP and exceptional tracking sensitivity (~-165 dBm).

The FMC125 is equipped with RS232 and RS485 serial interfaces allowing connectivity to various external third-party devices such as fuel level sensors, RFID readers, cameras, and Teltonika DualCam dashcams—supporting precise fuel monitoring and enhanced data collection. Dual SIM capability is built-in to lower roaming costs and maximize network resilience.

Powered via a wide input range of 10–30 V DC with overvoltage protection, it contains an internal Li-Ion backup battery (170 mAh, 3.7 V) ensuring operational continuity during power interruptions. Designed for demanding environments, the device suits fleet management, car-sharing, remote asset monitoring, and more.

Teltonika provides comprehensive support, including detailed installation guides and a dedicated knowledge base, enabling straightforward setup and configuration. Multiple regional variants accommodate varying cellular bands worldwide, facilitating global deployment.



Key Use Cases: Fleet telematics, fuel management, vehicle tracking, asset monitoring, car rental & sharing, and integration with external sensors and cameras.

For more information, visit the [official product page](https://www.teltonika-gps.com/products/trackers/professional/fmc125).