GSM-based remote control for electric gates and barriers Controllable from mobile phone via call, without any remote control. No radio interference or gate opened by accident. Possibility for adding up to 1000 users with configurable permissions (e.g. restriction of access beyond labour hours). Storing the last 1200 events with identification of users and time control. The event log can even be downloaded remotely (over the Internet), stored electronically or printed. Sends notification in SMS and logs if the gate remains open or if the photocell is blocked (optional). There's no distance limit!