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Centurion G SPEAK ULTRA is an advanced 2G GSM based intercom system. G SPEAK ULTRA allows you to answer your intercom from your cell phone anywhere in the world (with 2G coverage) and provides up to 100 users with the ability to open an entrance gate via a Missed Call, SMS, Please Call Me or the phone’s keypad.


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Devices that can be controlled via the outputs

Automated entrance gates


Appliances, e.g. the fridge aboard your boat

Air conditioners

Borehole pumps

Lighting systems

Irrigation and water features

Alarm systems