Communication device (5)
'communication device' is the definition.
(I know that radio is a type of communication device)
This is the entire clue.
(Other definitions for radio that I've seen before include "Communications receiver" , "Broadcast medium" , "Communications medium" , "Speech receiver" , "means of communication" .)
'communication device' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for phone that I've seen before include "Call; eg, mobile" , "Receiver" , "Communications device" , "Ring (someone)" , "Short piece of electronic equipment" .)