Centurion G-Ultra GSULTRA2G0V1


Centurion G-Ultra GSULTRA2G0V1

G-ULTRA – 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. Customisable for:

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


Password protection means that no one else can control your G-ULTRA. Passwords can be changed as often as necessary so your security is never compromised, and only numbers that have been learned into the G-ULTRA are able to operate it. Effortlessly enable and disable your G-ULTRA devices, or suspend access numbers, for maximum security, either via SMS or using CENTURION’s secure and convenient G-WEB PLUS web interface.

Security, meet convenience

For even more security, flexibility and control, use the built-in Weekly and Visitor Access Modes to control access right down to the minute!

Timed Access Control

(Weekly and Visitor) Set arrival and departure dates and times; guests will only be able to activate the device’s outputs between these limits, giving you maximum security and affording your guests maximum convenience. As a special value-add developed specifically with B & B owners in mind, customised arrival and departure messages with welcoming messages, access instructions, etc., can be sent automatically to guests and visitors. Alternatively set weekly recurring time-periods (for example 8am to 5pm, Monday to Friday) during which users will have access to the system. Outside of the configured time-periods, access will be denied. Add the ability to map inputs to outputs, customise the input and output notification messages and use the G-ULTRA in advanced applications, such as industrial fridge/freezer temperature monitoring, and you have a powerful and convenient GSM-based monitoring and control solution. Up to 20 separate text messages with up to five scheduled outputs can be configured. Time barring windows can be configured to block notifications, activations or specific access numbers.

Monitoring and alerting

The G-ULTRA looks after your property when you’re not around. It can be configured to monitor up to four separate electrical devices, such as your home alarm or even a water reservoir. It could send you an SMS, give you a missed call or even send you an email, letting you know if your alarm is on or off or your reservoir is full or empty. When configured as inputs, the unit’s four individually-configurable channels can be configured to react to Rising Edges, Falling Edges, or both, which makes it ideal for monitoring variable levels such as mains power. A single input can be used, for example, to send a notification to users when mains power has failed, and the same input can notify users once it comes back on, freeing up the other inputs to take care of monitoring duties for other devices.

Intelligent monitoring of gate status

With the G-ULTRA, your peace of mind is not dependent on physical proximity, and the rules of physics can be bent so that it’s almost like you’re two places at once. With seamless integration with CENTURION gate motors, your G-ULTRA will let you know when your gate has been left open, or is in any other state specified by you through intelligent monitoring of the gate motor’s status output. Adjustable Filter settings mean that you can specify under which conditions you are notified about a particular gate status, for example, if the gate has remained open for longer than 20 seconds.

Easy access to diagnostics

This smart device provides intelligent feedback via a graphic user interface displaying status, system information and diagnostic messages for the complete ULTRA experience.

Dependable access control for big events

With the G-ULTRA’s Any Number Mode feature, you can temporarily allow access to anyone in possession of the module’s mobile number. This is a very convenient solution for parties, corporate functions and other soirees since you don’t have to manually add and delete hundreds of users – the G-ULTRA will be your bouncer! Then, after the event, simply disable All Pass Mode and return the unit to full, ironclad security.


The G-ULTRA can remember and communicate with 1500 different users – making it perfect for either residential, commercial or even industrial applications. Further adding to this product’s incredible versatility as an access control and monitoring solution for virtually any application, we’ve increased its onboard memory to cater for access profiles, event logs and a host of other customisable features.

Access Number Profiles

The access number configuration profiles eliminates the hassle of configuring inputs and outputs and permissions every time that a new number is added.

User examples

The G-ULTRA offers four channels which can be individually configured in any combination of inputs and outputs, plus an additional two relays which can be used to control electric devices.

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
  • Vehicle monitoring: Ignition or alarm activated, or off or your reservoir is full or empty

Devices that can be controlled via the 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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