TRB145 Quick Start Guide v2.4

TELTONIKA | Networks

Wiki knowledge base: https://wiki.teltonika-networks.com/

Introduction

This document provides a quick start guide for the Teltonika TRB145 4G LTE RS485 Gateway, covering hardware overview, installation, configuration, and technical specifications.

Hardware Overview

Front View

The front panel features a power socket labeled 'POWER' with four pins and a 'Power LED' indicator. An 'RS485 interface' with three terminals is also present.

Back View

The back panel includes a SIM card slot accessible after removing a panel, labeled '+ REMOVE PANEL TO INSERT SIM +'. It has indicators for 'Mobile network type LEDs' (2G, 3G, 4G) and 'Mobile signal strength indication LEDs'. A 'USB port', a 'Mobile antenna connector', and a 'Reset button' are also located on the back.

Pinouts

DB9 Connector Pinout

1. Driver negative signal (D-).
2. Receiver negative signal (R-).
3. Ground (GND).
4. Driver positive (D+).
5. Receiver positive signal (R+).
6. Power input 9-30 VDC (Vin).

Power Socket Pinout

The power socket pinout indicates connections for 'Power' (Red wire) and 'I/O' (Green wire) on one side, and 'Ground' (Black wire) and 'I/O' (White wire) on the other.

Hardware Installation

Unscrew two back panel hex bolts.
Remove the back panel.
Insert your SIM card into the SIM socket.
Attach the panel and tighten the hex bolts.
Attach the mobile antenna (max torque 0.4 N·m / 3.5 lbf·in) and connect the USB cable.

Device Configuration

Power on the device and connect the USB cable to your computer.
Allow the gateway to boot up. This might take up to 30 seconds.
Your computer's OS should detect the USB device and install the driver.
To enter the gateway's Web interface (WebUI), type http://192.168.2.1 into the URL field of your Internet browser.
Use login information shown in Image A when prompted for authentication.
After logging in, pay attention to the Signal Strength indication displayed in the Mobile widget (Image B). To maximize cellular performance, try adjusting the antennas or changing the location of your device to achieve the best signal conditions.

Login Screen (Image A)

The login screen displays fields for entering a username and password, with a 'LOG IN' button. It includes the Teltonika logo and a prompt for authorization.

Mobile Widget (Image B)

The mobile widget shows the signal strength as -65 dBm. It indicates 'Data connection' is 'Connected', 'State' is 'Registered (home); OPERATOR; 4G (LTE)', 'SIM card slot in use' is 'Ready', and displays 'Bytes received/sent' as 348.7 KB / 223.5 KB.

Technical Information

Radio Specifications

Specification	Value
RF technologies	2G, 3G, 4G
Max RF power	33 dBm@GSM, 24 dBm@WCDMA, 23 dBm@LTE

Bundled Accessories Specifications*

Accessory	Specification
Power adapter	Input: 0.4A@100-240VAC, Output: 9VDC, 0.5A, 4-pin plug
Mobile antenna	698~960/1710~2690 MHz, 50 Ω, VSWR<2, gain** 2 dBi, omnidirectional, SMA male connector

*Order code dependent.

**Higher gain antenna can be connected to compensate for cable attenuation when a cable is used. The user is responsible for the compliance with the legal regulations.

Safety and Compliance

The TRB145 gateway must be used in compliance with all applicable national and international laws and with any special restrictions regulating the utilization of the communication module in prescribed applications and environments.

Hereby, TELTONIKA declares that this TRB145 is in compliance with the essential requirements and other relevant provisions of Directive RED.

The full text of the EU declaration of conformity is available at the following internet address: https://wiki.teltonika-networks.com/view/TRB145_CE/RED

This sign ♻️ means that all used electronic and electric equipment should not be mixed with general household waste.

✅ This sign means that product meets the requirements of the applicable EU directives.

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