Upgrade existing Centurion intercom systems to G-Speak Ultra functionality. Adds modern GSM connectivity using existing wiring.
Key Features:
- Retrofit kit for older systems
- Adds 4G/LTE connectivity
- Mobile app control
- Uses existing installation
- Easy upgrade process
Modernize your access control without replacing the entire intercom system.
Applications: Upgrading older Centurion intercoms to smartphone control.