Teltonika's TRB255 modem is a compact IoT gateway supporting LPWA connectivity over LTE-M (eMTC / Cat M1) and NB-IoT standards. The unit operates on almost all global LTE-M bands, compatibility with your network and country can be checked with the Network and Band Compatibility modules on this page.
TRB255 has a series of digital IO terminal block connectors supporting industrial serial protocols over RS232, RS485, Modbus, and more. Its inbuilt GNSS receiver supports GPS applications. A single RJ45 connection provides Ethernet connectivity to
The Teltonika TRB255 continues the company's use of OpenWRT Linux, allowing full customisation of the operating system, and support remote management over Teltonika RMS.
Recommended Use
Teltonika TRB255 is a simple industrial-styled modem and I/O gateway. As with all Teltonika devices they are a low-cost unit using entry-level electronic components, allowing IT integrators to develop cost effective IoT solutions for short to medium project lifespans.
The LTE-M chipset is compatible with almost all global IoT networks, including Australian and New Zealand B8 and B28.
4G Specification
| LTE Chipset |
Quectel BG96
|
| LTE DL Category |
Cat-M1
|
| LTE DL Data Rate |
0.41 Mb/s
|
| LTE DL Modulation |
16QAM
|
| Carrier Aggregation | Not Supported |
| 4G Bands | See Compatibility Checker |
| LTE UL Category |
Cat-M1
|
| LTE UL Data Rate |
2.98 Mb/s
|
| LTE UL Modulation |
16QAM
|
| Max. MIMO |
Chassis Specification
| Operating Temperature | -40 to 75 °C |
| Power Supply |
9 to 30 Vdc
|
| Ingress Protection |
| Dimensions |
74 x 83 x 25 mm
|
| Weight |
165 g
|
| PoE Support |
| Data Connections | Data Rate | Notes |
|---|---|---|
| 1x RJ45 Copper |
100BASE-T
|
| RF Connections | Notes | |||
|---|---|---|---|---|
| 1x |
4G LTE
|
|||
| 1x |
GNSS / GPS
|