ControlFreqUK app is a simple way to configure, control, and manage Control Freq GSM systems from a mobile handset. For End Users it’s a more user friendly alternative to SMS based GSM products. For Installers it’s a priceless tool for maintaining all client sites from the palm of your hand. Some practical usage examples: • Managing phone numbers, users & PIN codes of gated entry systems • Controlling gates & doors remotely • Maintaining GSM alarm auto-dialler users and configurations • S