- GSM Door entry employ mobile phone technology to operate automatic gates, doors or remote sites installations.
- The GSM/amplifier is self contained and only requires an external power supply & antenna.
- Available from a 1 button to a 50 button system
- Allows user or users to call entry panel at no charge to the caller
- Each button on the door can be programmed with two telephone numbers (expandable to 5 on the 4810N, allowing system to divert call if number is busy or not answered)
- Programming unit is carried out using SMS text messaging or by USB interface to PC.