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A handheld transceiver (HT), more commonly known as a walkie-talkie, is a handheld radio transmitter/receiver device used for two-way communication based on shortwave radio technology. Handheld transceivers are commonly used by police officials and medical staff. It consumes little power and is battery operated, which makes it a convenient and inexpensive communication method.
A handheld transceiver is also known as a handy talkie.
A handheld transceiver is based on half-duplex (one-way) communication. Designed in World War II by Donald L. Hings with radio engineer Alfred J. Gross and engineering teams at Motorola, the HT has advanced significantly since its initial development. It was originally intended for military use, but it eventually reached the public and became available for commercial and personal use.
Only one user can talk at a time, although all the devices on the frequency can listen, and a push-to-talk button is pressed to transmit.