Compact GSM

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  • Product ID

Main features:

  • GSM communication
  • 4 user phone numbers for GSM voice call and SMS
  • SMS forwarding to the first user phone number
  • 1 monitoring station phone number for reporting
  • 2 NO/NC inputs
  • 1 relay output
  • Programming through telephone call (via built-in call center)


  • GSM voice call to 4 user phone numbers on input activation with recordable message or siren tone
  • SMS with adjustable text about each event
  • Report to monitoring station with Contact-ID protocol about each event
  • Remote control of relay output with free call

Technical specification

  • Transmission channel
  • Frequency band
    900/1800, 850/1900 MHz
  • Operating temperature
    -20 C - +70 C
  • Supply voltage
    9-30 VAC/DC
  • Current consumption (maximum)
  • Current consumption (nominal)
  • Casing
    No (PCB)
  • Terminal connector design
    Non-detachable panel-mounted
  • Dimensions
    82x67x22 mm
  • Weight


  • Contact inputs
  • Configurable inputs (NO/NC)


  • Relay outputs
  • Output control through free GSM call


  • Programming method
    Call center


  • User phone numbers for forwarding incoming SMS messages
  • User phone numbers for reporting
  • User phone numbers for output control
    4 / Unlimited

Remote monitoring

  • Monitoring station phone numbers
  • Individual reporting to monitoring station

Other functions

  • Configurable internal Contact ID event codes
  • Caller identification
  • Individual SMS sending to user phone numbers with built-in message
  • Periodic test report
  • Alarm sending to user phone numbers with siren tone being used
  • Alarm restriction
  • Pre-recordable voice message sending to user phone numbers
    Yes / 2
  • Selectable confirmation request from user phone numbers
  1. When the call is made from the device, the phone does not display the caller’s number. Why?

    You have to enable to send the caller ID of the inserted SIM card by the GSM provider. Put the SIM card into a mobile phone, and call the GSM provider customer service, in the menu, you will be able to enable that feature. (Even though the caller ID shows up when you make a call with a mobile phone, it will not show up when you use the device until you enable this feature through the GSM provider)

  2. The device does not activate the relay output on an incoming call. Why?

    The caller ID identification must be enabled on the inserted SIM by the GSM service provider. Without this, the device will be unable to identify the incoming call ID identification. Insert the SIM card (which is in the device) into a mobile phone; call the customer service of the GSM service and enable this service in the menu. Make sure you set the timing of the relay output (if the timing is 0, the relay will not activate).

  3. Despite the fact that I received the call, the device makes a recall. Why?

    Perhaps the machine is set that the call must be acknowledged. In this case, it will redial during the alarm time, until you acknowledge the alarm. You can do this by pushing the asterisk * button.

  4. Is it possible to turn off the SMS (text) sending option in the Compact GSM (I.) device?

    No. The module makes a GSM call or send an SMS (text) to each configured user number.

  5. The module sends a long line of continuous letter / sequence SMS message to the SMS forwarding featured phone number. What is the reason for this?

    This phenomenon happens when you do not receive a regular SMS (text) to the phone module, but some kind of a multimedia message (MMS photo) or some other encoded message (for example, encoded Cyrillic letters with accents or other capitalization). An industrial phone module is not able to handle this, that's why the mentioned letters/sequences are converted into Unicode form and are forwarded to your phone (depending on the size of the message 1 MMS can be received in 3 or 4 SMSs). Please note that in this case there is no problem with the device itself, but this phenomenon is caused by the above-described reason. If this occurs regularly, there is a good chance that it is an advertising / marketing message sent by the service provider, which can only be stopped by either asking the service-provider not to send such messages to this given phone number or by turning off the message forwarding function (in the settings: delete the SMS forwarding phone number), if this function is not absolutely necessary.

Message to the customer service



  • Compact_GSM_v1-21_EN_Manual_16-12-2009.pdf
    2011.12.13 584.67 KB Download
  • Compact_GSM_CE.pdf
    2011.12.04 582.92 KB Download
  • Compact_GSM_EN_Leaflet.pdf
    2011.12.04 1.54 MB Download
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