Radiotelephone

noun

1. A telephone in which audible communication is established by use of a two-way radio transmitter and receiver.
2. A telephonic instrument, invented by L. De Forest, used in wireless telephony (which see).
3. A wireless telephone, in which the signal is conveyed by radio waves.
4. a device that allows two-way communication via radio
5. telephony that uses transmission by radio rather than by wire