The circuit provides a simple illustration of a door phone intercom system having a two-way communication using the features of LM386 amplifier. Intercom – short for intercommunication, is an ...

Any landlord managing multiple apartments should understand the importance of installing an apartment intercom system with door release functionality. From helping you monitor who visits to providing ...

February, 2019 – Farmingdale NY. Alpha Communications® today announced that it has released its new AlphaTouch™ multi-family smartphone video-intercom system. AlphaTouch™ is designed to be the low ...

Easy to use, outstanding sound quality and volume, pairs with multiple Bluetooth devices, IP-67 waterproof and dustproof, reasonably priced. We first started reviewing Bluetooth intercoms for ...

DoorKing’s wireless adapter for the 1812 Series of residential telephone intercom systems will provide homeowners with high quality wireless voice, data and video. The wireless adapter easily connects ...