Portable two-way radio (6-6)

I think it could be either:

Which length description are you looking for?:

6-6

walkie-talkie

'portable two-way radio' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for walkie-talkie that I've seen before include "Portable two-way radio" , "Two way radio" , "Portable communication device" .)

I've seen this clue in The Guardian and The Mirror.

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