Wireless intercoms consist of two or more units, each functioning as both the transmitter and the receiver. They do not use wiring systems; instead, they use radio frequencies to transmit and receive audio signals. Because it is wireless, a typical unit requires little or no installation. It can be plugged into a power outlet or powered by batteries.
Most wireless intercoms function as baby monitors, helmet intercoms for communicating when riding a motorcycle or race car driving, communication devices for TV and stage directors, and business communication systems for employees in an office.
Types of Wireless Intercoms
Kinds of Wireless Intercoms include the following:
Two-channel wireless intercom
A two-channel wireless intercom can provide two-way communication or one-way audio monitoring. It can be expanded to accommodate four or more units.
Three-channel wireless intercom
A three-channel wireless intercom uses existing AC wires to operate. It is commonly used as a door intercom, replacing the existing push-button doorbell using the same doorbell wiring.
Choosing Wireless Intercoms (Buying tips)
Range: Choose a wireless intercom with a range of 1,000 feet (304.8 meters) or more for wider coverage.
Controls: Look for a wireless intercom with adjustable speaker and volume controls for better sound quality.