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4G LTE-M / NB-IoTLTE Cat M1NB-IoTDual SIMLow Power

Teltonika FMM125

LPWAN-optimised advanced tracker using LTE Cat M1 / NB-IoT — ideal for long-term asset tracking in areas with limited bandwidth, with the same rich sensor interface as the FMC125.

Teltonika FMM125

Technical Specifications

NetworkLTE Cat M1 / NB-IoT + 2G GSM fallback
SIMDual SIM
InterfacesRS232, RS485, 1-Wire, Bluetooth 4.0 LE, Micro-USB
Digital I/O1 DIN, 1 Digital Out, 1 Analog In
GNSSGPS, GLONASS, Galileo, BeiDou
Backup Battery170 mAh
Memory128 MB
Dimensions65 × 56.6 × 20.6 mm
LPWAN AdvantageBetter wall / building penetration vs standard LTE

Key Features

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LTE Cat M1 / NB-IoT for efficient low-bandwidth long-term deployments
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Superior signal penetration — tracks assets inside buildings and underground
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Significantly lower data costs versus Cat 1 LTE for IoT-scale deployments
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Dual SIM for network redundancy across borders
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Same RS232 / RS485 / 1-Wire suite as FMC125
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Extended sleep modes for months-long battery-assisted deployments
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2G GSM fallback for areas where LPWAN networks are not yet live

Ideal Use Cases

Static Asset Tracking

Static Asset Tracking

Generators, compressors, and trailers that move infrequently benefit from NB-IoT low data cost.

Construction Equipment

Construction Equipment

Better signal inside metal-body machinery and deep construction sites.

Remote Agriculture

Remote Agriculture

NB-IoT covers remote farm areas where standard 4G signal is weak.

Container & Cargo

Container & Cargo

Track shipping containers in ports and warehouses with deep indoor penetration.