- Read CAN data from heavy vehicles and specialized machinery (FMS / J1939 and J1708);
- Download tachograph files remotely and receive live tachograph data;
- Dual-SIM or eSIM support with RS232 and RS485 interfaces;
Product & Hardware
Teltonika FMB641 Vehicle Tracker

Teltonika FMB641 Vehicle Tracker
The Teltonika FMB641 vehicle tracker is an updated version of the professional FMB640 tracker, designed for heavy fleets and specialized applications. Its new processor provides more computing power, and it supports every FMB640 capability, including FMS CAN data (J1939), fuel CAN data (J1708), live tachograph data (K-Line) and remote tachograph file download. Switchable CAN terminators allow the device to be used in a CAN network with multiple nodes, and it can be powered via USB for easier configuration. The tracker is suited to international logistics, refrigerated transport, agriculture, construction and mining, and security and emergency services.
|
Feature |
Description |
| Positioning Systems | Support for GPS, GLONASS, GALILEO, BEIDOU, SBAS, QZSS, DGPS |
| GNSS Receiver Sensitivity | Tracking: -165 dBm
Position accuracy: < 2.5 m CEP |
| Internal Backup Battery | Type: Nickel-metal hydride (Ni-MH)
Capacity: 550 mAh Voltage: 8.4 V |
| Operating Voltage | Input Voltage Range: 8 to 32 V DC
Overvoltage and reverse polarity protection |
| Operating Temperature | -40 to +85 °C (without battery) |
| Operating Humidity | Range: 5% to 95% (non-condensing) |
| Connections and Communications | 2 CAN ports (J1939) and J1708
K-Line port for tachograph 2 RS232 ports and 1 RS485 port 1-Wire interface and Mini-USB 2.0 port 2G network (GSM/GPRS) and SMS |
| Sleep Modes | GPS Sleep, Online Deep Sleep, Deep Sleep |
| Protection and Standards | Ingress Protection Rating: IP41
CE/RED certification |
| Advanced Features | Detect towing, crashes, signal jamming and GNSS antenna disconnection
Immobilizer, iButton driver identification and Eco Driving Remote firmware updates with FOTA (Firmware Over The Air) |
|
Feature |
Description |
|
Application Type |
Vehicle-Based (heavy vehicles and specialized machinery) |
|
Dimensions |
31.5*76.8*104.1 mm |
|
Weight |
197 g |
|
Module |
Teltonika TM2500 |
|
Cellular Network |
2G (GSM/GPRS) quad-band 850/900/1800/1900 MHz |
|
Water and Dust Ingress Protection Rating |
IP41 |
|
Internal Battery |
550 mAh (Ni-MH, 8.4 V) |
|
Memory |
2 MB internal flash and Micro SD card up to 32 GB |
|
SIM |
Dual-SIM or 1x eSIM |
|
Digital Inputs |
4 |
|
Digital Outputs |
4 |
|
Analog Inputs |
4 |
|
GNSS and GSM Antennas |
External, high gain |
|
Online Tracking |
Yes |
|
Remotely shut down the vehicle |
Yes |
|
Speeding Alert |
Yes |
|
Geofence Exit Alert |
Yes |
|
Tachograph File Download |
Yes |