The Technology of a Handheld Two Way Radio Transmitter
A two-way radio is actually a radio that can both receive and transmit radio waves, unlike just a simple broadcast receiver which simply receives received sound. It's an electronic transceiver, transmitter and receiver all in one small unit, used primarily for bidirectional personal voice communication to other wireless users with like radios. Basically, you can think of it as a walkie talkie with a built in microphone and speakers. Most 2-way radios have their own power source, which can come from the wall outlet or batteries. They are very popular in public locations where people congregate, such as churches, schools, hospitals, airport terminals and more. When purchasing a two-way radio, you need to determine the frequency that is best for you. Generally the range is from 100 feet to ...