The IST I2000 wired intercom for home use can be extended up to 20 rooms. A DIY installation is possible for those with adequate knowledge of home wiring, though this room-to-room home intercom system ...

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 ...

Broadcasting is all about communicating to and with the viewing audience. A big part of making this happen is the ability for production teams, technical crew and on-air talent to communicate with ...