The earliest intercom uses date back to the late 1960s and early 1970s, when concerts became too loud to allow for waving pieces of paper or shouting from the stage to the back of the hall. The ...

Mobile-based video intercoms have played a major role in multifamily access control since ButterflyMX introduced them in 2014. By enabling residents to use their smartphones as credentials, these ...

As television moved out of the laboratory and into regular broadcasting schedules during the decade of the 1930s, it was obvious early on that the “hand signal” methodology used in radio broadcasts ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What were once just simple point-to-point voice communications devices have grown over the last ...

The Interphone Tour is the new top-of-the-line Bluetooth 4.2 intercom system from Interphone. It marks a new direction for Interphone, as the Tour is quite different from the Italian company’s ...