GSM Mobile Phone Intercom System (keypad) GC076570 XL If green LD light is

If green LD light is steady

if you choose to store the control box into a secure metal box

Requires Sim card only

Note: Do not install keypad until Learning Access Codes in Receiver has been completed

Allows up to 30 error in alignment

GSM Mobile Phone Intercom System (keypad) GC076570 XL If green LD light isThis system is designed to work on the same technology as mobile phones. It enables a call to be made from an entry point (gate), to any telephone number (mobile phone or land line). Upto 50 call buttons can be connected to the door panel, each able to call two telephone numbers (if the first is busy or not answered, the call can be diverted to the second) or with the additional divert facility endabled it is possible to have up to 10 call buttons