CENTURION G-Ultra GSM Controller (3G, 4 Channels, SIM Included)

R 2,535.00
The CENTURION G-Ultra GSM Controller is a 3G wireless mobile-based monitoring and control system.  The global system for mobile communications (GSM) module allows you to monitor up to 4 electrical devices and control up to 6 devices from your phone. 
  • Memory for up to 1500 users makes it ideal for residential, commercial & industrial applications
  • Monitor & receive push notifications on your phone for up to 4 electrical devices (e.g. home alarm, geyser, etc.)
  • 2 additional relays enable you to control up to 6 devices from your phone
  • User-friendly LCD screen for easy access to diagnostics 
  •  Password-protected for maximum security

Centurion Systems is South Africa's leader in access automation. They manufacture an award-winning range of products used to control the access of vehicles and people in and out of residential and industrial properties. Centurion is known for its reliable products designed to maximise safety and convenience.

Click here to view all Centurion Systems products available in South Africa

What you get:

  • 1 x GSM controller
  • 1 x Vodacom SIM card 

Product specifications:

  • 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)
  • SIM card: Micro-format, activated Vodacom SIM card (included) - NOTE: supplied SIM card may only be used with this specific G-ULTRA device. The SIM Card will be deactivated & blacklisted upon insertion into any other
    GSM device
  • Number of configurable input/output channels: 4
  • Number of relays: 2

Memory capacity:

  • 1500 x Access numbers 
  • 5000 x Event logs
  • 20 x Access profiles
  • 1 x Custom welcoming SMS message for new access numbers
  • 20 x Custom output activation SMS messages (from user to device)
  • 30 x Custom input notification SMS/Email messages (from device to
  • user)
  • 100 x Visitor time-barring windows (windows are the periods between 2 dates)
  • 30 x Generic time-barring windows (windows are weekly recurring)
  • 10 x Output activation schedules (schedules are weekly recurring)
  • 3 x Daylight saving periods
  • 4 x Input to output mapping configurations


  • B&Bs & guesthouses – with flexible scheduling, timebarring & automatic activations
  • Complexes – 1500 user memory
  • Existing gate motors – open, close & intelligently monitor your gate status, all via your phone
  • Access automation – control a host of access control devices including gate motors, traffic barriers & garage door operators
  • Miscellaneous security applications – be notified via SMS, missed call or email of alarm activations, electric fence triggers & mains power failures

Devices that can be monitored via 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
  • Vehicle monitoring: Ignition or alarm activated, or off or your reservoir is full or empty

Devices that can be controlled via outputs:

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

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