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GSM Mobile Door Intercoms & Access Control

GSM Mobile Door Intercoms & Access Control

GSM Intercom systems are the best solution to long-range wireless intercoms. Unlike a typical wireless intercom which use much weaker radio-frequency signals, these GSM intercoms use the mobile network via a SIM card, just like your mobile phone, to allow for an unlimited wireless range!  What's more, because these door entry systems are not restricted by the available radio frequencies that standard wireless intercoms use, it means we are able to offer the incredible door entry system for up to 500 flats! 


Mobile Phone Mast

How do GSM intercoms work?

It's actually very simple!  The intercom station is set up to use a SIM card to make the calls when a button is pressed at the main gate or perhaps the communal door on a block of flats. 

This will call the pre-defined telephone number(s) of the occupant - this can be their landline number or mobile number - or both!  That's right, you can also set these up to call one number - let's say the land-line number in this case - and if there's no answer after a predetermined amount of time, then it will attempt to call their mobile number instead.  Pretty nifty right?

This incredible technology also means that you can grant access from anywhere in the world!  That's right! Because the GSM network works internationally, so does your intercom!  Need to let a cleaner into your holiday home in Portugal?  No problem!  Need to be able to grant access back home while you're off on holiday?  Easy peasy!

Another incredible feature these systems offer, is that you can phone the intercom to unlock the door providing keyless entry!  This works by means of a white-list feature, where if you know the phone number of the SIM card in the GSM Intercom, and you were to call the door intercom from your mobile phone as you approach the property, if the intercom recognises your telephone number from its list of authorised numbers, the intercom will trigger and unlock the door for you!


Mobile Phone Mast

What Network To Choose

It is important to choose the right network carrier.  If you know the network that gets the best coverage in your area then go with them!  Whether that be EE (formerly Orange), O2, Vodaphone, Three, or any other preferred network - as long as you know it has good coverage.

If you need help with this - you are best to check with others in the area to see what their experience is with their network's mobile signal, but if this is not possible then you can also check the mobile signal coverage online through various independent websites.




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