Videx one station surface mounted vandal resistant GSM intercom without keypad 4g

GSM One way surface mount audio intercom This 4000 series GSM intercom system is vandal resistant and includes two way speech, an electronic call tone and lock release. It has functionality to program the intercom so that it diverts to a second number if you do not answer, open the gate by dialling a pre-programmed number (no network charges), signal strength checking and alarm output with text message. Programming is by either SMS or dial in and there are also auxiliary input and outputs. The panel also includes speak, busy and open LED's for call progressing information. Features Surface mounted One call buttom Requires Sim card only Speak, door open and busy call progress LED's Call progress reassurance tones for call and door open Programmable door open time Dry contact timed relay output for any lock release type Push to exit input Up to 3 handsets per call button