This score reflects the tested distance a phone can maintain an intelligible conversation, make a call and receive a call. We report a score instead of a distance because range can differ greatly due ...

MULTIPLE CITIES: TV intercoms have made the switch from analog to digital technology, and all of the advantages associated with digital are now found in these intercom systems. That includes higher ...

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 ...