Alternatively being called as walkie-talkies and even dispatch radios, two way radios are hand held mobile communication devices, which evolved out of the radio transmitters and receivers used by naval and army units in the early 20th century. As the world moved ahead in style and things progressed in every areas, the bulky radio equipments gave way to small and effective portable communication devices.

Coming out of the closet, these communication devices have gone through some pretty commendable research and development processes. Two way radios can be classified into various categories based on their abilities and the features they contain. But, mostly these wireless communication devices differ on the basis of their radio signal channels.

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