Dropping by, carry fake receiver (8)

I believe the answer is:

earphone

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'receiver' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for earphone that I've seen before include "Part of a headset" , "Hope near (anag)" , "Auditory device" , "Through which to hear privately" , "Audio listening piece" .)

I've seen this clue in The Telegraph.

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