How a 2-Way Radio Works
A two way radio is a hand held radio, which can both receive and transmit radio waves, unlike a purely broadcast receiver which just receives transmission. It's an audio transceiver, a transmitter plus receiver in a single unit, utilised for bidirectional, personal voice communication with others with similar units. These units can be used in cars, boats, computers and mobile phones to communicate between people. In general use, they are used by truck drivers or in military units for communication and other purposes. A typical 2-way radio may have up to 10 channels, whereas a Walkie Talkie has just two or three. The difference is clear when it comes to frequency usage. A mobile radio uses a single carrier frequency, whereas a base station uses a multiple carrier frequency (like the examp...