• Control Freq gives you the Power

    to Secure, Monitor or Control Anything from Anywhere, Anytime, on Any Device


How do you set it up?

Using a free app

100% SIM based

Works with all entrance systems

Secure, Simple & Reliable



Alpha-3G GSM intercom

3G Door Entry

GSM door entry

Time Zone Managed Access

Alpha-3G GSM intercom system

GSM door phone

3G cell phone intercom



Control Freq ALPHA-3G GSM intercom door entry systems are next level!  Despite it's low key, sleek appearance Alpha-3G is a powerhouse entry system with online management of user access and all settings. If you're looking for a mobile intercom door entry system that gives you remote management of everything, you're in the right place! Contact us to discuss your application on +44(0)1273 257060.