Control and monitor your electrical equipment all via SMS with Micro Instruments’ GSM Controller!

Control and monitor your electrical equipment all via SMS with Micro Instruments’ GSM Controller!

Frustrated about having to reboot your radios manually on site, which are virtually inaccessible? Or are you living in fear of the day when your battery that’s powering your devices dies? These fears are real and could have serious financial implications for your business.


But what if there was a device that will allow you to not only reboot your radios remotely but also allow you to monitor the voltage of your battery backups and send you alerts when things go wrong – all from the comfort of your home or office via your cell-phone?  We present to you the GMS Relay from Micro Instruments!


How does the GSM Relay work?

The GSM Relay is a GSM based controllable module for your cell phone with Two (2) inputs and one (1) Relay output. The module reacts on specific SMS commands, returns SMS’s to the user and can also alert the user if anyone of the 2 inputs states change.

What does the GSM Relay do, exactly?

Although the main idea behind the unit was to reset radios remotely because they’re so hard to access, it can also be used for various other applications, such as:

  • Controlling all your electrical equipment
  • Monitoring the voltage of your battery backups, alarm system etc.
  • Auto-sensing whether your power supply is 12 VDC or 24 VDC
  • Notifying you via SMS if a low battery condition occurs

There is also a 5 relay expander board available if you’re working on large projects!

Need to use more than one cell phone number?

A Primary cell number can be saved with full control on the unit while a secondary cell number can be saved with control commands only and cannot change administrative settings  and when the secondary number sends a control command to the unit the Primary cell number will also be notified.


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