FMB225

Teltonika FMB225 — IP67 Waterproof 2G GPS Tracker with Dual SIM, RS232/RS485 and Fuel Flow Meter

The Teltonika FMB225 is the IP67 waterproof version of the FMB125 — Teltonika's most capable professional 2G tracker — combining all the dual SIM, RS232/RS485 and 1-Wire capability of the FMB125 with a fully sealed IP67 enclosure built to survive the harshest operating environments. Dust tight and protected against temporary immersion, the FMB225 can be mounted inside or outside a vehicle without concern about high-pressure water, mud or dust — making it the definitive choice for agriculture, construction, mining, forestry and any fleet operating in challenging outdoor conditions.

A standout feature of the FMB225 over the FMB125 is its impulse input for fuel flow meter data — enabling highly accurate fuel consumption monitoring that goes beyond what standard analogue fuel level sensors can provide, making it particularly valuable for heavy duty vehicle operators needing precise fuel usage records for cost control and compliance.

As an official Teltonika distributor in the UK, Tracking Hardware UK ships the FMB225 directly from our London warehouse — with trade pricing available for telematics service providers, fleet operators and resellers.

Key Features

• IP67 waterproof and dustproof — fully sealed enclosure rated to IP67, dust tight and protected against temporary water immersion — safe for outdoor mounting, pressure washing and operation in mud, rain and extreme weather

• Dual SIM — automatic failover between two SIM cards, significantly reducing roaming costs for international fleets and providing a backup communication channel where a single operator's coverage is insufficient

• RS232 and RS485 interfaces — connect digital fuel level sensors, Garmin navigation, RFID readers, barcode scanners and other third-party serial devices for extended fleet monitoring Impulse input for fuel flow meters — dedicated impulse input reads data directly from fuel flow meters for highly accurate fuel consumption monitoring — more precise than standard fuel level sensors

• 1-Wire interface — connects temperature sensors for refrigerated transport and cold chain monitoring and iButton for driver identification — compatible with the Tracking Hardware UK 1-Wire driver identification keypad

• Micro SIM and eSIM — supports both a physical micro SIM card and a built-in eSIM for flexible connectivity across UK and international deployments

• Bluetooth 4.0 — connects to BLE sensors and supports OBD2 wireless diagnostics and external accessories

• Remote immobiliser — digital output allows remote vehicle disabling via your fleet management platform

• Crash and tow detection — built-in accelerometer triggers alerts on impact or unauthorised movement

• Jamming detection — alerts when GPS signal interference is detected

• Green driving monitoring — tracks harsh braking, acceleration and cornering for driver behaviour scoring

• CAN bus compatible — works with Teltonika CAN adapters for deeper vehicle data

• Overvoltage protection — safe for use across a wide range of vehicle electrical systems

• 128MB internal memory — stores up to 422,400 records when out of GSM coverage

• Over-the-air updates — firmware updatable remotely via FOTA Web

Driver Identification with Tracking Hardware UK 1-Wire Keypad

The FMB225 supports 1-Wire connectivity and is fully compatible with the Tracking Hardware UK 1-Wire driver identification keypad. Drivers enter their unique PIN at the start of each trip and the driver ID is logged alongside all GPS and telematics data — giving fleet managers complete driver accountability across harsh environment fleets. Contact us to discuss keypad and FMB225 bundle pricing.

FMB225 vs FMB125 — Which Should You Choose?

The FMB225 and FMB125 share the same dual SIM, RS232/RS485, 1-Wire, Bluetooth 4.0 and CAN adapter capabilities. The critical difference is the enclosure — the FMB225 is rated IP67 for outdoor mounting and harsh environment operation, and adds an impulse input for fuel flow meter data. If your deployment involves outdoor installation, agriculture, construction or mining, or if you need fuel flow meter accuracy, the FMB225 is the correct choice. For standard in-vehicle installations the FMB125 is a cost-effective alternative.

Technical Specifications

Cellular: 2G GSM/GPRS quad-band

GNSS: GPS, GLONASS, Galileo, BeiDou, SBAS, QZSS, DGPS, AGPS

SIM: 1x micro SIM plus 1x eSIM

Bluetooth: 4.0 BLE

Serial interfaces: RS232 and RS485

1-Wire: Temperature and iButton

Impulse input: Fuel flow meter data

Power input: 10V to 30V DC

Backup battery: 170mAh Li-ion

Waterproofing: IP67

Memory: 128MB — up to 422,400 records

Operating temperature: -40°C to +85°C

Typical Use Cases

Ideal for agriculture and farming machinery tracking in muddy and wet environments, construction and earthmoving equipment fleet management, mining and quarry vehicle tracking, forestry machinery monitoring, heavy duty fleet management with fuel flow meter monitoring, international logistics with cross-border roaming using dual SIM, refrigerated transport with 1-Wire temperature monitoring, driver identification programmes, and any application requiring a fully waterproof professional 2G tracker with RS232/RS485 and fuel monitoring capability

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Frequently Asked Questions

What is the difference between the FMB225 and the FMB125?

The FMB225 is the IP67 waterproof version of the FMB125 — same dual SIM, RS232/RS485, 1-Wire and Bluetooth capabilities but in a fully sealed enclosure for outdoor and harsh environment installation. The FMB225 also adds an impulse input for fuel flow meter data. For outdoor, agriculture, construction and mining deployments the FMB225 is the correct choice.

What is the impulse input and what does it do?

The impulse input connects directly to a fuel flow meter, reading pulse signals that correspond to precise fuel volume measurements. This provides significantly more accurate fuel consumption data than standard fuel level sensors — valuable for heavy duty vehicle operators monitoring fuel costs and compliance.

Is the FMB225 compatible with the Tracking Hardware UK 1-Wire driver identification keypad?

Yes — the FMB225 supports 1-Wire connectivity and is fully compatible with the Tracking Hardware UK 1-Wire driver identification keypad. Contact us for keypad and FMB225 bundle pricing.

Does the FMB225 support electric vehicles?

No — the FMB225 is a 2G device with standard CAN adapter support. For electric vehicle tracking with dual CAN and IP67, the FMC250 or FMM250 are the recommended choices.

Can I buy the FMB225 in bulk from Tracking Hardware UK?

Yes — we supply telematics service providers, fleet operators and resellers across the UK and internationally. Volume pricing and trade accounts are available. Contact us for a bulk quote.