• Teltonika TRB145 RS485 Serial IoT Gateway

Teltonika TRB145 RS485 Serial IoT Gateway

  • Brand: Teltonika
  • Product Code: NUC-TRB145
  • Availability: Pre-Order

0800 3277 923

Teltonika TRB145 RS485 Serial IoT Gateway

The TRB145 is a cost effective CAT1 4G-enabled IoT RS485 gateway,  with support for Full Duplex (4 wires) and Half Duplex (2 wires), baud rates 300-115200.  Perfect for IP-enabling legacy devices with RS485 serial.

An ARM Cortex A7 1.2 GHz processor with 128MB RAM (50MB free for customer applications), provide excellent performance and ample space for customers to develop their own bespoke IoT applications to run on the gateway, allowing edge processing of data before transmission to Cloud-based IoT platforms.

The TRB145 ships with a single magnetic antenna, but larger high external 4G antennas can be installed on to the SMA female connectors if required. Please see our related products below for additional antenna options.

Frequency Band support

4G: (LTE-FDD): B1, B3, B7, B8, B20, B28A
B1, B8
B3, B8

TRB145 Applications

Serial over IP, NTRIP

If your application requires a Fixed IP SIM (public IP or a secure private IP), please visit our Fixed IP SIM page.

Link Resilience with Ping Reboot

The ability for a 4G gateway to maintain its' Internet connection is often over looked, but this ability is essential if the router is going to be installed in unmanned locations or areas where access to equipment is difficult. Nucleus Networks worked closely with Teltonika in 2008 to implement a new feature called 'Ping Reboot',  where the router automatically reboots itself if the router goes offline for a configurable level of time. This feature eliminates the need to visit site to reboot the router if there have been temporary cell mask issues or intermittent levels of network coverage.

The router also supports SMS status and Reboot commands that allow the router to be interrogated for current signal level or rebooted via SMS. These powerful remote diagnostic tools could prevent a site visit by an engineer, lowering maintenance costs.

Remote Management System (RMS)

The TRB145 supports the Teltonika Remote Management System (RMS). A monthly subscription allows you to take control of your router portfolio, monitoring signal levels and device activity through a central management system, lowering your TCO.

TRB145 Warranty Options

The TRB145 includes two year warranty as standard, but this can be increased up to three years if your project requires it.

What's in the Box?

TRB145 Gateway
UK power supply
1 x LTE antenna (magnetic mount, SMA male, 3 m cable)
Micro-USB cable (0.8 m)
RS485 connector
Quick Start Guide

3G capable Yes
4G capable Yes
Dual SIM No
LTE Category CAT1
Dual Cellular Modem No
2.4GHz WiFi No
5GHz WiFi No
802.11ac WiFi No
LAN Ports None
WAN Port No
WAN Optional LAN No
Failover No
Fibre Port 0
Ignition Input No
IO (Inputs & Outputs) 2 x Digital Input/Output (configurable)
E-mark No
AC Power Supply UK Power supply included
DC Power 9-30V via 4-pin to terminal block breakout cable, see related products below.
RS232 Serial No
RS422 Serial No
RS485 Serial Yes
Commercial Temperature No
Industrial Temperature Yes
Operating Temperature -30ºC to +75ºC
SMS Diagnostic Commands Yes
Cloud Managed Optional
Includes basic Antennas Yes, Magnetic antenna
Router Yes
Warranty 2 years

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