G5000: 4G GSM Input Output Controller

Control relays with SMS
Digital or Analog input updates with SMS

The G5000 4G GSM SMS Controller is a highly capable and versatile remote monitoring and control device, engineered for countless applications across industrial, commercial, and agricultural environments. With 4 relay outputs activated via SMS commands, it provides reliable and secure control of connected equipment from virtually any location. The unit also includes 2 digital inputs and 2 analog inputs (4–20mA), enabling accurate, real time monitoring of sensors, alarms and process variables. Its robust 4G connectivity ensures quick and stable communication, making it ideal for use in remote, unattended or difficult to access sites.

Perfect for applications such as sports field lighting, sewer pump stations, tank level management, irrigation control, HVAC systems and other automation tasks, the G5000 4G controller adapts easily to your specific project requirements. Its compact form, durable design and PC based App for easy setup and management, makes it well suited for both new setups and upgrades to existing systems, reducing installation time and cost.

Two Available Models:

  • G5000 – Standard model offering core SMS based control and monitoring functionality
  • G5000+ – Advanced version with machine to machine (M2M) automation capabilities and customisable alert configurations.


Whether you’re automating infrastructure, monitoring field equipment or managing utility assets, the G5000 4G GSM SMS controller delivers a cost effective and dependable solution, keeping you connected and in control, anytime and anywhere.

The G5000 4G controller is very competitively priced for the Australian market. It offers exceptional value without compromising on performance, reliability or features.

Technical Specifications

Network
Telstra, Optus & Vodafone (4G/VoLTE Compatible)

Output
4 x Relay Outputs

Compatibility
Voltage free relay output. Universal compatibility 

Supply Voltage
12 Volt DC Power Pack Included

Input
2 x Digital inputs
2 x Analog inputs

Users
G5000 : 250
G5000+ : 2000

Relay Rating
8 Amps at 240 Volts AC

Setup
Easy setup with Desktop App

Dimension
170 x 110 x 50 mm

G5000 vs G5000+ Comparison

G5000: 4G GSM Input Output Controller vs G5000+

Feature / Specification G5000 G5000+
Status Current model Current model (Advanced version)
Network Telstra, Optus & Vodafone (4G / VoLTE compatible)
Users 250 2000
Outputs 4 × Relay outputs (8A @ 240V AC)
Inputs 2 × Digital inputs
2 × Analog inputs (4–20mA)
Relay Rating 8 Amps @ 240 Volts AC
Supply Voltage 12 Volt DC Power Pack Included
Compatibility Voltage-free relay output. Universal compatibility
Setup / Management Easy setup with Desktop App. SMS control. Desktop App + Advanced machine-to-machine (M2M) automation and customisable alerts
Operating Distance Anywhere 4G network is available
Dimension 170 × 110 × 50 mm
Use Cases Industrial, commercial and agricultural automation, such as sports field lighting, sewer pump stations, tank level management, irrigation control, HVAC systems and general remote monitoring and control

People also search for Elsema

What is the G5000 4G GSM controller used for?
It is an SMS controlled input output controller with four relay outputs and sensor monitoring that suits lighting, pumps, irrigation, HVAC and general automation across industrial, commercial and agricultural sites.
It provides four relay outputs, plus two digital inputs and two analog inputs that read 4 to 20 milliamp sensors for real-time status via SMS.
Each relay is rated up to 8 amps at 240 volts AC, which covers common loads for lighting, pumps, and contactor control.
It works on Telstra, Optus, and Vodafone with 4G and VoLTE compatibility, so it operates anywhere there is 4G coverage.
G5000 supports up to 250 users, while G5000 Plus supports up to 2000 users for larger deployments and multi-site control.
G5000 focuses on SMS relay control and input alerts, while G5000 Plus adds machine-to-machine automation and customisable alerts for advanced workflows.
Setup is done with a desktop app that simplifies configuration and phone number management, while daily operation is handled by SMS commands.
A 12-Volt DC power pack is included, which simplifies installation and commissioning on site.
Common uses include sports field lighting, sewer pump stations, tank level and irrigation control, HVAC control and remote monitoring of sensors.
The enclosure measures about 170 by 110 by 50 millimetres, which fits standard control panels and field enclosures.

Newsletter Sign Up

Elsema Logo

Subscribe to our newsletter and be the first to know about new product releases and updates!