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In order to prevent device from mechanical damage it is advisable to transport it in a
shock–resistant packaging. If device stopped working properly regardless of the
settings only a qualified specialist can help. It is recommended to contact your local
seller or your UAB Teltonika manager in such a case.
1.2
Brief description
TMT250 is a handheld tracking device with built-in functions and characteristics of a mobile
phone. This device is intended for the surveillance and protection of people, cargo and valuables.
GNSS receiver is able to identify current location and send it to an operations center or a person.
In case of an emergency the device can activate the alarm function. TMT250 can also be used as
a real-time navigator if the computer has special software installed. Device is able to execute
various tasks through GSM network and GNSS system. Easy installation and operation, small size
and user friendly design will help perform the user's desired tasks easier.
1.3
Legal Notice
Copyright © 2018 Teltonika. All rights reserved. Reproduction, transfer, distribution or
storage of part or all of the contents in this document in any form without the prior written
permission of Teltonika is prohibited.
Other products and company names mentioned here may be trademarks or trade names
of their respective owners.
The manufacturer reserves the right to make changes and/or improvements at any time in
design, functionality, parameters and electrical characteristics without any prior notice and
without incurring obligations.
1.4
About document
This document contains information about the architecture, possibilities, mechanical
characteristics, and configuration of the TMT250 device.
Acronyms and terms used in this document:
▪ AC/DC – Alternating Current/Direct Current
▪ ACC – Accessories
▪ AVL - Automatic vehicle location: means for automatically determining and transmitting
the geographic location of a vehicle.
▪ AVL packet: Data packet which is being sent to the server during data transmission.
▪ APN - Access Point Name: the name of a gateway between 3GPP mobile network and
Internet or another computer network.
▪ CAN - Controller Area Network: a vehicle bus standard designed to allow microcontrollers
and devices to communicate with each other in applications without a host computer.
▪ CNG - Compressed Natural Gas: methane stored at high pressure.
▪ COM port - serial communication interface that is used to transfer information to/from
devices such as modems, terminals and various peripherals.
▪ DTC - Diagnostic Trouble Code
▪ ESP - Electronic Stability Program: is a technology that improves a vehicle's stability by
detecting and reducing loss of traction (skidding).
▪ ETA - Estimated Time of Arrival
▪ FAP - Particulate Filter
▪ FOTA - Firmware-Over-The-Air
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