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The LANDLINE-4G is a retrofit GSM communicator provides a simulated landline to 3rd party systems requiring a fixed line connection.
4G-VoLTE like-for-like PCB replacement for legacy ControlFreq 3G GSM intercoms.
![ALPHACOM-1 | Premium 4G-voLTE GSM intercom [1 way]](http://controlfreqgsm.com/cdn/shop/products/ALPHA-4G_large.png?v=1649065571)
![ALPHACOM-200 | Premium 4G-voLTE GSM intercom [up to 200 way]](http://controlfreqgsm.com/cdn/shop/products/ALPHA_4G_large.png?v=1649065738)
![[FIREBIRD] Fire Panel Notifications delivered in the Cloud](http://controlfreqgsm.com/cdn/shop/files/unnamed_large.jpg?v=1693482961)
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![Advanced professional GSM auto-dialler w/ mains fail [4G] bundled with EE contract SIM card @ £120P.A.](http://controlfreqgsm.com/cdn/shop/products/cf-products-85_9550632c-b8cb-459e-b388-781920184cb2_large.jpg?v=1677585419)
![ALPHA-1 GSM auto-dialler [4G] bundled with EE unlimited SIM card @ £80P.A.](http://controlfreqgsm.com/cdn/shop/products/G1W_96487c32-e722-4f39-be73-5c8465623feb_large.png?v=1677083044)
![Advanced professional GSM auto-dialler [4G] bundled with EE contract SIM card @ £120P.A.](http://controlfreqgsm.com/cdn/shop/products/cf-products-85_7f1d7b64-fde8-4779-a91a-ce2f705c5c15_large.jpg?v=1677069645)
![ANPR-4G | 4G ANPR Access Control [Automatic Numberplate Recognition] w/ Cloud Management](http://controlfreqgsm.com/cdn/shop/products/P3C_ANPR-4G-1_large.png?v=1651161367)
