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Remote Terminal Unit - 4G GSM IoT M2M

Remote Terminal Unit - 4G GSM IoT M2M

Regular price $308.00
Regular price Sale price $308.00
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The S270 - S275 Series of Remote Terminal Units are an industrial class, high reliability, high stability and programmable Remote Terminal.

They can be controlled easily by Phone Call or SMS for simple setups.

For more advanced monitoring systems they can also be used with Cloud Software, IoT connections, integrated systems.

These units are a great cost effective feature when you need to control and monitor onsite devices remotely.

The most popular model in this range is the S271 for its price and included features.

Typical Applications:

  • BTS Monitoring, Security Alarm System applications, Supervision and monitoring alarm systems,
  • Automatic monitoring system
  • Vending Machines security protection
  • Pumping Stations, Tanks, Oil or Water levels,
  • Buildings and Real Estate
  • Weather Stations
  • River Monitoring and Flood Control, Oil and gas pipelines, Corrosion protection
  • Temperatures, water leakage applications
  • Wellheads, boat, vehicle,
  • Energy saving
  • street lights control system
  • Valve controls, Transformer stations, Unmanned machine rooms, Control room application, Automation System



  • embedded 32-Bit High Performance Microprocessor MCU, inbuilt industrial Cellular module
  •  4/2 digital inputs, 4/2 analog or PT100 Resistance Temperature Detector (RTD) inputs, 4/2 relay outputs,
  • ambient sensor input for monitoring onsite temperature and humidity. Sensor readings can be used to control I/O
  • ports controlled by SMS, APP, Web Server, internet, timers and programmed inter-lock events automatically.
  • The Cellular IoT M2M RTU inbuilt TCP/IP protocol stack make it suitable for internet of things (IoT) applications
  • Cloud Operation - use our cloud service to control and monitor the device remotely.  Can also be configured to be used on other cloud systems
  • TCP/UDP protocol, or integrated to SCADA systems by standard Modbus TCP protocol



Models in this series range from S270 to S275. 
Choose the model you need based on the number of Digital and Analogue Inputs and relay outputs required.

Image below shows all all modules and features.


    S270-S271 Models




    S272 Models



    S273-S275 Models


    Whats in the Box:

    • 1x S27X Unit
    • 1x Antenna
    • 1x AC/DC Power adaptor
    • User Manual & PC Software CD


    Not Sure if you can connect this device to your existing system?
    No problem... please call or email us and we can show you exactly what to do.


    Click Here for the S270-271 User Manual

    Click Here for the S272 User Manual

    Click Here for the S273-275 User Manual

    Uneek LEDs are proud to be the only Official Authorised Distrubitor for this product in Australia.