TMT250
Pocket personal tracker with an alarm button
A 44 × 43 × 20 mm self-powered tracker for guards, field staff, children, elderly people and assets.

Overview
TMT250 needs no installation: it goes in a pocket or on a belt. Its alarm button sends an instant alert, and it warns when the wearer falls or stops moving. It tracks indoors with BLE beacons and is IP67 waterproof.
Key features
- Easy-to-reach alarm button
- Man down and no-movement alerts
- Indoor tracking with BLE beacons
- IP67 water and dust protection
- 800 mAh battery for long use
- Remote updates (FOTA)
Specifications
Technical specifications
| Battery | 800 mAh Li-ion |
|---|---|
| Protection | IP67 |
| Weight | 40 g |
| Connectivity | |
| Positioning | GNSS, −165 dBm sensitivity, internal antenna |
| Network | 2G (GSM / GPRS) |
| Bluetooth | 4.0 |
| Buttons | 2 programmable buttons |
| Size and environment | |
| Dimensions | 44 × 43 × 20 mm |
| Operating temperature | −20 to +58 °C |
Interested in TMT250?
Tell us how many vehicles you have, what type they are and what you want to monitor, and we will suggest the right device and sensors with a quote.