The G-SPEAK ULTRA promotes the ultimate in convenience and peace of mind by combining wireless GSM technology with Centurion Systems’ futuristic and stylish ULTRA interface.

Infused with the DNA of innovation, the G-SPEAK ULTRA allows wireless communication between the user and the intercom gate station, effectively turning the user’s phone into the intercom handset.


– Wireless convenience, allows for the use of your phone as the intercom handset

– Monitor a system by receiving SMS alerts – for example when your mains power has failed or your alarm has been activated

– Caters for up to 100 users the ability to open an entrance gate from anywhere in the world

– Activate devices with a Missed Call (free), Please Call Me (free) or SMS

– Easy setup and administration via CENTSYS’ G-WEB PLUS online interface, or via SMS from your mobile phone

-Intelligent gate status monitoring

Technical Specifications:

Supply Voltage Range 11V – 24V DC
Maximum Current draw 300mA @ 12V DC
Input/output Current Rating 50mA (Open Collector)
SIM Card Requires Micro SIM CardNote: Ensure that all diverts (e.g. voicemail) are cancelled. Ensure SIM Card has sufficient credit for SMS and Data.
Number of Configurable Input/output Channels 4
Call Buttons on Calling Module 2
Call confirmation at Calling Module Yes
Speech Volume Adjustable at Calling Module using Call Buttons
Calling Module illumination Call Buttons and labels with back-lit white LEDs
Memory Capacity -20 Access Profiles

-1 Custom Welcoming SMS Message for New Access Numbers

-20 Custom Output Activation SMS Messages (From User to Device)

-30 Custom Input Notification SMS/Email Messages (From Device to User)

-100 Visitor Time-barring Windows (Windows are the periods between two dates)

-30 Generic Time-barring Windows (Windows are weekly recurring)

-10 Output Activation Schedules (Schedules are weekly recurring)

-3 Daylight Saving Periods

-4 Input to Output Mapping Configurations

GSM Penta-band – for use on all Australian 3G networks