TRB255 can be used to integrate modern and legacy industrial equipment into one solution via RS232, RS485 & Ethernet interfaces.
This industrial LTE Cat M1 & NB-IoT gateway is backward compatible to EGPRS (2G) networks. It can still be used with 2G network, however in case it gets shut down, there is a possibility to switch to LPWAN connectivity options.
Gateway
Teltonika TRB255
SKU: TRB255
Dual SIM IoT gateway with LTE Cat M1/NB-IoT and GNSS.
Specs
| Cellular | LTE Cat M1 / NB-IoT / EGPRS |
| SIM | 2x Mini SIM (2FF), dual SIM |
| Ethernet | 1 x RJ45, 10/100 Mbps |
| Serial | RS232 (terminal block: TX, RX, RTS, CTS), RS485 (terminal block: D+, D-, R+, R-), 300–3,000,000 baud |
| I/O | 3x Configurable Digital I/O, 1x Analog Input |
| Antenna | 1 x SMA for LTE, 1 x SMA for GNSS |
| Power | 9–30 VDC, 2-pin terminal block |
| Dimensions | 74.2 x 83.0 x 25.0 mm, 165 g |
Specifications may vary by version or region — please verify on the manufacturer's site.
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