FMB204 General description

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FMB204 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 FMB204 device is supplied to the customer in a cardboard box containing all the equipment that is necessary for operation. The package contains:

  • FMB204 device with case and wires;
  • USB cable (optional);
  • Integrated Li-ion battery 3.75V, 1800mAh for FMB204 device;

Basic characteristics

GSM / GPRS / GNSS features:

  • Teltonika TM2500 quad band module (GSM 850 / 900 / 1800 / 1900 MHz);
  • GPRS Multi-Slot class 12 (Up to 85,6 kbps);
  • SMS (text, data);
  • Integrated GNSS receiver;
  • Up to -165 dBm GNSS receiver sensitivity.

Hardware features:

  • 128 MB internal Flash memory (422 400 Records);
  • Built-in movement sensor;
  • Integrated Li-ion battery 3.75V, 1800mAh for FMB204 device;
  • Internal High Gain GSM antenna;
  • Internal High Gain GNSS antenna;

The Interface features:

  • Power supply: 6 … 30V;
  • USB port;
  • 3 digital inputs;
  • 1 analog input;
  • 2 open collector digital outputs (connecting external relays, LED’s, buzzers etc.);
  • 1Wire® temperature sensor;
  • 1Wire® iButton;
  • 2 LED’s indicating device status.

Special features:

  • High Quality track even in high density urban canyon;
  • Ready for harsh environment;
  • Any element event triggers (external sensor, input, speed, temperature, etc.);
  • Highly configurable data acquisition and sending;
  • Multiple Geo-fence areas;
  • Sleep mode;
  • Deep sleep mode;
  • Configurable scenarios available;
  • Real-time process monitoring;
  • Authorized number list for remote access;
  • Firmware update over GPRS or USB port;
  • Configuration update over GPRS, SMS or USB port;
  • TCP/IP or UDP/IP protocol support;
  • >500000 record storing;
  • Overvoltage protection.

Description Voltage Duration
Normal operation +6 ... +30 V Unlimited
Protection turns on, device turns off 34 V Unlimited
Maximum voltage < 70 V Unlimited
Maximum voltage impulse 120 V 10 ms

Technical features

Part name Physical specification
Navigation indication LED
Modem indication LED
USB Mini USB socket
GNSS Internal GNSS antenna
GSM Internal GSM antenna

Technical details
Power supply 6 ... 30V DC
1.5 W max. device consumption
Energy consumption at 12 V:
GPRS: average 40.1 mA r.m.s;
Nominal: average 28.3 mA;
GPS Sleep: average 15.7 mA;
Online Sleep: average 4.2 mA;
Deep Sleep: average 3.9 mA;
Ultra Sleep: average 2.1 mA
FMB20X Battery charge current max. 207 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

With 400 mAh bat. - 170 g
With 1800 mAh bat. - 210 g

Dimension drawing:

FMB202 view dims.jpg

Technical information about internal battery

Internal back-up battery Battery voltage (V) Nominal capacity (mAh) Power (Wh) Charging temperature (°C)
Li-ion rechargeable battery 3.75~3.90 1800 6.75 - 7.02 0 - 50

Batteries are covered by 6 month warranty support.

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)
6 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) 120
Digital Input:
Input resistance (DIN1) 59.9
Input resistance (DIN2, DIN3) 67.5
Input voltage
(Recommended Operating Conditions)
0 60 V
Input Voltage threshold (DIN1) 4 4 8 V
Input Voltage threshold (DIN2, DIN3) 2.5 2.7 3 V
Analog Input:
Input voltage
(Recommended Operating Conditions), Range 1
0 10 V
Input resistance, Range 1 120
Input voltage
(Recommended Operating Conditions), Range 2
0 30 V
Input resistance, Range 2 146.7
Output Supply Voltage 1-Wire:
Supply voltage 3.8 V
Output inner resistance 450 600
Output current (Uout > 3.0 V) 75 mA
Short circuit current (Uout = 0) 75 mA

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