Field interfaces
- RS232: Serial interface for remote machines
INDUSTRIAL GATEWAY
Teltonika TRB142 is a current industrial gateway in the GermanSTS Industrial Networking & IoT catalogue. GermanSTS evaluates TRB142 for projects where LTE CAT 1 and documented Teltonika specifications matter — Teltonika Networks is the manufacturer.
LTE Cat 1 cellular gateway with RS232 only — when the field device speaks serial on one port and TRB141-style RS485 or TRB245 multi-interface depth is not required.
GermanSTS contrasts TRB142 with TRB141 (RS485 focus) and TRB245 (RS232+RS485+I/O) before protocol and cabling work is fixed.

LTE Cat 1 cellular gateway with RS232 only — when the field device speaks serial on one port and TRB141-style RS485 or TRB245 multi-interface depth is not required.
RS232 wiring length, connector type and cabinet entry matter for TRB142 installs — GermanSTS can review serial plant cabling alongside gateway selection.
Teltonika Networks — TRB142. Official product page ↗
Technical specifications may vary by firmware and region — verify details on the manufacturer page for the target device.