The ultimate GSM solution

With the G-ULTRA, your entire world fits into the palm of your hand, giving you complete control at your fingertips. This is the evolution of GSM technology, designed to offer you the ultimate flexible, mobile-based access control and monitoring solution and allowing you to transcend archaic notions of what GSM can achieve.
Unbridled. Unchained. Unmatched. Ultra.

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Product Features

  • Monitor up to four electrical devices by receiving push notifications
  • Use the outputs to control up to six devices from your phone (two additional onboard relays)
  • Intelligent monitoring of CENTURION gate motors’ status outputs (for example gate opening, gate left open, etc.)
  • Suitable for a wide variety of access automation applications
  • Time-barring and visitor control – ideal for B & Bs and guesthouses
  • LCD screen for easy access to diagnostics
  • Instant activation via G-REMOTE mobile app
  • Easy setup via G-WEB PLUS online interface


Devices that can be monitored via the inputs

  • House alarm: activated
  • Electric fence: alarm triggered
  • Geyser status: On/Off
  • Mains power: On/Off
  • Fridge aboard your boat: On/Off
  • Borehole pump status: Running/Off
  • Water reservoir: Full/Empty
  • Entrance gate status: Open/Pedestrian


Devices that can be controlled via the outputs

  • Automated entrance gates
  • Geysers
  • Appliances, e.g. the fridge aboard your boat
  • Air conditioners
  • Borehole pumps
  • Lighting systems
  • Irrigation and water features
  • Alarm systems

Product Specifications

Additional information

Supply Voltage Range

11 – 24V DC

Maximum Current Draw

300mA @ 12V DC

Input/Output Current Rating

50mA (Open Collector)

Relay Contact Current Rating

1A, 30V AC/DC (Resistive)

Input Sense Voltage Range

0-24V DC (0-1.6V Low-input State, 5V-24V High-input State)

Network Provider

MTN (South Africa only)

Number of Configurable IO Channels


Number Of Relays

Download Centre

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