TMT250 General description

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Main Page > SAS Personal Trackers > TMT250 > TMT250 Manual > TMT250 General description

TMT250 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 TMT250 device is supplied to the customer in a cardboard box containing all the equipment that is necessary for operation. The package contains:

  • TMT250 device;
  • 3.8 V 800 mAh rechargeable Li-ion battery;
  • USB magnetic cable.

Basic characteristics

GSM / GPRS / GNSS features:

  • Teltonika TM2500 quad band module (GSM 850 / 900 / 1800 / 1900 MHz);
  • GPRS 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;
  • Internal High Gain GNSS antenna;
  • Internal High Gain GSM antenna;
  • 800 mAh Li-ion rechargeable 3.8 V battery.

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;
  • LED status indication;
  • Real time tracking;
  • Smart data acquisition based on:
    • Time;
    • Distance;
    • Angle;
    • Speed;
    • Movement or any other I/O event;
  • Sending acquired data via GPRS;
  • GPRS and SMS I/O events;

Technical features

Part name Physical specification
Status indication RGB LED
USB Magnetic USB cable
USB Magnetic USB socket
Button 2 configurable buttons
Technical details
2 W max.
Current consumption at 4.2 V
GPRS: max average 95.57 mA
Nominal: average 44.20 mA
GNSS sleep: average 8.02 mA
Deep Sleep: average 3.43 mA
Online Deep Sleep: average 3.93 mA
Ultra Deep Sleep: average 1.50 mA
Battery charge current Average 700 mA
Operating temperature -25..+55 °C
Storage temperature -40..+70 °C
Storage relative humidity 5..95% (no condensation)
Device + case + battery weight 40 g
Dimensions 44 x 43 x 20 mm (L x W x H)

Dimension drawing:

Tmt250 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 3.8 800 3.04 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 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) +4.5 +5 +5.5 V