FMM125 General description

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FMM125 is a tracking terminal with GNSS and GSM connectivity, which is able to collect device coordinates and transfer them via GSM network to a server. This device is perfectly suitable for applications, which require the location acquirement of remote objects.

Package contents

The FMM125 device is supplied to the customer in a cardboard box containing all the equipment that is necessary for operation. The package contains:

  • FMM125 device;
  • Input and output power supply cable with 2x6 connection pins;
  • Micro USB cable;
  • 3.7 V 170 mAh rechargeable Li-ion battery;
  • GNSS antenna.

Basic characteristics

GSM / GPRS / GNSS features:

  • Quectel BG96 (LTE FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B28 LTE TDD: B39 (for CAT M1 only)), TM2500 quad band module (GSM 850 / 900 / 1800 / 1900 MHz);
  • GPRS Multi-Slot class 12 (Up to 240 kbps);
  • SMS (text, data);
  • Integrated GNSS receiver;
  • Up to -165 dBm GNSS receiver sensitivity.


Hardware features:

  • Built-in movement sensor;
  • Built-in Bluetooth 4.0 LE;
  • External High Gain GNSS antenna;
  • Internal High Gain GSM antenna;
  • Internal flash memory 128MB (422 400 Records);
  • 170 mAh Li-ion rechargeable 3.7 V battery.


Interface features:

  • Power supply: +10... +30 V;
  • 1 digital input;
  • 1 analog input;
  • 1 open collector digital output (connecting external relays, LED, buzzers etc);
  • 1-Wire temperature sensor;
  • 1-Wire iButton;
  • LVCAN RX (INPUT 5);
  • LVCAN TX (INPUT 6);
  • 1 RS-232 interface;
  • 1 RS-485 interface;
  • 2 LEDs indicating device status.


Special features:

  • Fast position fix;
  • High Quality track even in high density urban canyon;
  • Ultra small case;
  • Ready for harsh environment;
  • Easy to mount in limited access areas;
  • Firmly fasten;
  • 2 LED status indication;
  • Real time tracking;
  • Smart data acquisition based on:
    • Time;
    • Speed;
    • Angle;
    • Distance;
    • Ignition or any other I/O event;
  • Sending acquired data via GPRS;
  • GPRS and SMS I/O events;
  • Virtual odometer;
  • Jamming detection;
  • Configurable using Secured SMS Commands;
  • 1x micro SIM card; 1x eSIM;
  • Overvoltage protection;


Description Voltage Duration
Normal operation

+10 ... +30 V

Unlimited

Protection turns on, device turns off 34 V Unlimited
Maximum voltage < 70 V Unlimited
Maximum voltage impulse 90 V 5 ms


Technical features


Part name Physical specification
Navigation indication LED
Modem indication LED
Socket Soldered inner socket
USB Micro USB socket
GNSS External GNSS antenna
GSM Internal GSM antenna


Technical details
2 W max.
Current consumption at 12 V (Power supply 6...30 V DC)
GPRS: average 64.59 mA rms
Nominal: average 37.77 rms
GNSS sleep: average 11.1 mA
Deep Sleep: average 6.2 mA
Online Deep Sleep: average 6.5 mA
Battery charge current Average 140 mA
Operating temperature (without battery) -40..+85 °C
Storage temperature (without battery) -40..+85 °C
Storage relative humidity 5..95% (no condensation)
Device + case + battery weight 52 g


Dimension drawing:

Fmb122-125 view dims.png

Technical information about internal battery


Internal back-up battery Battery voltage (V) Nominal capacity (mAh) Power (Wh) Charge temperature (°C) Discharge temperature (°C) Storage temperature (°C)
Li-ion rechargeable battery 3.75~3.90 170 0.64 – 0.66 0 to +45 -20 to +60 -20 to +45 for 1 month
-20 to +35 for 6 months

Batteries are covered by 6 month warranty support.

Bw nb.png CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
Bw disposal.png Battery should not be disposed of into general household waste.
Bring damaged or worn-out batteries to your local recycling center or dispose them into a battery recycle bin commonly found in supermarkets.

Electrical characteristics


Characteristic description Value
Min. Typ. Max. Unit
Supply Voltage:
Supply Voltage
(Recommended Operating Conditions)
+10 +30 V
Digital Output (Open Drain grade):
Drain current (Digital Output OFF) 120 µA
Drain current
(Digital Output ON, Recommended Operating Conditions)
0.1 0.5 A
Static Drain-Source resistance
(Digital Output ON)
400 600
Digital Input:
Input resistance (DIN1) 47
Input voltage
(Recommended Operating Conditions)
0 Supply voltage V
Input Voltage threshold (DIN1) 7.5 V
Analog Input:
Input voltage
(Recommended Operating Conditions), Range 1
0 +10 V
Input resistance, Range 1 150
Measurement error on 12V, Range 1 3 %
Additional error on 12 V, Range 1 360 mV
Measurement error on 30 V, Range 1 3 %
Additional error on 30 V, Range 1 900 mV
Input Voltage
(Recommended Operating Conditions), Range 2
0 +30 V
Input resistance, Range 2 150
Measurement error on 12V, Range 2 3 %
Additional error on 12 V, Range 2 360 mV
Measurement error on 30 V, Range 2 3 %
Additional error on 30 V, Range 2 900 mV
Output Supply Voltage 1-Wire:
Supply voltage +4.5 +4.7 V
Output inner resistance 7 Ω
Output current (Uout > 3.0 V) 30 mA
Short circuit current (Uout = 0) 75 mA


Alert.png
Analog Input error margin can increase if temperature varies.

Absolute maximum ratings

Characteristic description Value
Min. Typ. Max. Unit
Supply Voltage
(Absolute Maximum Ratings)
-32 +32 V
Drain-Source clamp threshold voltage
(Absolute Maximum Ratings), (Idrain = 2 mA)
+36 V
Digital Input Voltage
(Absolute Maximum Ratings)
-32 +32 V
Analog Input Voltage
(Absolute Maximum Ratings)
-32 +32 V