# Teltonika TRB145 LTE Cat1 RS485 Gateway

## Teltonika TRB145 LTE Cat1 RS485 Gateway

The Teltonika TRB145 is an ultra-small, low-power LTE Cat 1 gateway built around an RS485 serial interface, designed to add cellular connectivity to industrial equipment such as PLCs, energy meters, and building automation controllers that communicate over RS485/Modbus. It runs RutOS with VPN (OpenVPN, IPsec), firewall, SMS control, and RMS remote management, plus configurable digital I/O for basic control and status monitoring. Its compact aluminium DIN-rail housing is rated for -40C to 75C, making it well suited to unattended remote-monitoring deployments.

### Specifications

**SKU**

TRB145

**Brand**

Teltonika

**Category**

Industrial Router

**Key Specs**

4G LTE Cat 1 (10 Mbps down / 5 Mbps up), 3G up to 42 Mbps, 2G up to 236.8 kbps; 1x RS485 serial interface; 2x configurable digital I/O; micro-USB; 1.2GHz ARM Cortex-A7 CPU, 128MB RAM, 512MB flash; 1x SIM (2FF) + SMA antenna connector; 9-30VDC (4-pin power socket); aluminium DIN-rail housing, 74.5 x 25 x 64.4mm; -40C to 75C

## Details

- **Price:** 3219.0 ZAR
- **Vendor:** Teltonika
- **Type:** Industrial Router
- **Tags:** Industrial Router, Nology, Teltonika

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3219.00 ZAR | In stock |

## Images

- Teltonika TRB145 LTE Cat1 RS485 Gateway

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> Source: [Guards On Duty Shop & Security Guards ](https://guardsondutyshop.co.za/products/teltonika-trb145)
> Updated: 2026-07-07