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SentryGSM3DControl provides a reliable, low cost solution for a wide range of control, monitoring and alarm messaging applications.

DIN Rail mounting, this industrial quad band GSM device can monitor, control and program up to 11 input/outputs, and send alarms, data, status or action messages to multiple recipients via SMS. Relay outputs can be configured to switch and/or operate external devices; Sentry Telemetry’s Windows-based software provides remote configuration of all variables, message recipients' etc.

Already successfully integrated into client applications, the SentryGSM3Control offers a cost-effective solution to OEMs, instrumentation, sensor and meter companies, MCC manufacturers, industry and factories. Through our in-house application engineering and web hosting services, we can develop custom telemetry and data management solutions.


  • 6 inputs
  • 2 A to D inputs
  • 4 outputs
  • Alarms sent via SMS
  • Actions programmable via SMS from PC or mobile phone
  • Remote control via SMS
  • Standard SIM
  • Quad band GSM
  • Up to 12 programmable messages
  • Up to 120 message recipients
  • Simple user configuration
  • DIN rail mounted
  • Internal/external antenna
  • CD Windows based software
  • OTAP remote provisioning


  • Quad band 850/900/1800/1900
  • 12 or 24 volt DC
  • DIN rails to DIN EN 50 022
  • Polycarb enclosure to UL 94 V.0


  • R&TTE Directive 1999/5/EC
  • Low Voltage Directive EN60950
    CE-approved logo CE approved
    WEEE compliant logo WEEE compliant

User Defined Parameters

Each input has up to 6 actions, incl:

bullet Outgoing text message
bullet Outgoing email
bullet Switching of relay
  • Message recipients
  • Message content
  • SMS or GPRS mode


  • Remote control of outputs
  • Remotely interrogate device to:
bullet Check GSM signal strength
bullet Check power supply
bullet Simulate alarm conditions
bullet Check/save/change user defined parameters


  • What is the maximum message length?
    There may be 150 characters in each message that can be a combination of serial numbers, process parameter, alarm/fault text etc.
  • What can we interface with and is a PLC required?
    The SentryGSM3D range has in-built intelligence for switching and control and a PLC is not essential.
Remote Sensing, Monitoring & Metering
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