Types of Two-Way Radios
Depending on the type of application, a two-way radio can have a variety of different types of frequencies. In the half-duplex mode, both parties can listen and talk at the same time. Many two-way radios are equipped with a Push-to-Talk button that transmits messages when pressed and receives messages when released. A full-duplex system utilizes different frequencies and frequency sharing methods to ensure that both parties can hear each other clearly. Another type of two-way radio is called a walkie-talkie. This device can be used by two people or a group of people. Both devices need to be in the same channel or frequency band. A walkie-talkie must be continuously on both transmit and receive. When transmitting, it is important to muffle the other device. To avoid causing interference, i...