1) Cellphone 2) Radiophone 3) Radiotelephony 4) Rt 1) Radiotelephony 2) Telephony equipment 3) Wireless 4) Wireless telephone 
A radiotelephone (or radiophone) is a communications system for transmission of speech over radio. Radiotelephone systems are not necessarily interconnected with the public `land line` telephone network. `Radiotelephone` is often used to describe the usage of radio spectrum where it is important to distinguish the type of emission from, for ex...
• (n.) A wireless telephone.
telephone terminal including a transmitter-receiver
Ra`di·o·tel'e·phone noun A wireless telephone. -- 
[n] - telephony that uses transmission by radio rather than by wire 2. [n] - a telephone that communicates by radio waves rather than along cables
radiotelephone Telephony in which the signal is transmitted by radio over part of the route; wireless telephony.
radiotelephony noun telephony that uses transmission by radio rather than by wire