2-Way Radio Walkie Talkies
A two-way radio is basically a radio that can both receive and transmit radio waves, unlike an ordinary radio which only receives information. It is a wireless transceiver, transmitter and receiver in a single unit, used mainly for bidirectional human-to-human voice communication via other wireless users with similar systems. The use of these radios is on a need-to-know basis only, like when using cell phones or MP3 players. Also known as walkie-talkies, these devices are used primarily for communication purposes inside buildings and other enclosed areas. These radios are also used extensively in the construction business, for security reasons and for carrying out tasks such as surveying large area without the use of land lines or cell phones. The two-way radios are generally designed wit...