SMS Controller 4G

The QTech 4G SMS Controller uses SMS/text messages to provide multiple people with alarms, status conditions and the ability to control devices (and receive a confirmation SMS) – all from your smart phone.

Supports the following 4G bands: 2100, 1800, 850, 900, 700 MHz and 3G bands: 2100, 850, 900 MHz

Key Features Include

  • Class leading intuitive user interface software
  • SMS Controller to SMS Controller texting. Multiple controllers can text each other allowing you to build a network.
  • Text the SMS Controller “status” to receive the current I/O status
  • Count flow pulses and provide a daily total to your phone
  • Multiple I/O: Digital inputs x8, Analog Inputs x2, Digital outputs x8, Analog outputs x2
  • Up to 10 people can be added to the address book
  • Up to 4 actions can be taken per I/O point
  • USB programming
  • Forgotten the message format? Simply text the SMS Controller for a list of available commands
  • Pulse output for digitals – text “Pulse” for a 1 second output, perfect for overload/reset applications

Click here to download SMS Messenger Workbench_v1.7

Please refer to our website for further product information and optional accessories.

Note: The 4G SMS Controller requires an external DC power source.

Application Examples

This innovative and cost effective control module enables numerous remote control applications.

  • Switch a pump, irrigator or generator on & off simply by sending a SMS message – Receive confirmation by SMS
  • Receive a SMS every time a gate opens
  • Automatically switch on a device when an activity occurs, e.g. security camera/lighting.
  • Send controlled texts between SMS controllers allowing wider scale usage & additional flexibility
  • Receive an automated SMS from a well or river level every hour/day/month or at a specific time e.g. 7am
  • Count flow meter pulses & send the daily total via SMS
  • Receive an alarm if the analogue drops below, above, or between values, with units e.g. Litre or Amps
  • Text the controller to receive all of the allowable commands or text “Status” for a complete I/O status

These examples are just some of the many ways the SMS Controller can be used.

Reviews – What Our Customers are Saying:

“Working perfectly… Thank you all so much.  Great service – Great product!!”

“We are very happy to date with the SMS Controller and what it is able to do”

“During a recent power outage it was successful in notifying 6 mobile numbers that the fridge was in need of attention”

“My system is fully up and going now and it works terrific”

“The SMS Controller has been successful in providing us with daily AM & PM text messages. These go to 3 mobile phones”


  • Qty 8 x Digital Switched Input (normally open, close to activate)
  • Qty 8 x Digital Output (open collector type, to power relay)
  • Qty 2 x Analogue Inputs
  • Qty 2 x Analogue Outputs
  • Max switching current 2 Amps
  • I/O Connectors All screw terminal
  • Antenna connector SMA
  • Status & I/O Display LED
  • Enclosure Steel, powder coated
  • Supply Voltage 12 – 24V DC (max 30V DC)
  • Current Consumption nominal 40mA in standby @12V
  • Weight Less than 350g

Ordering Details

  • Product Code: PD8611-4G

Please refer to our website for further product information and optional accessories.

Product Downloads

Click here for SMS Messenger Workbench v1.7

SMS Controller – Datasheet

SMS Controller – User Guide

Click here for latest firmware V3.02  – Updated September 2019 – Refer to User Manual for firmware upgrade procedure.