Handset, far away (6)
I believe the answer is:
remote
'far away' is the definition.
(I've seen this before)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for remote that I've seen before include "Very far away like meteor" , "Distant (from civilisation?)" , "Cold" , "'Distant, out-of-the-way (6)'" , "Distant like meteor (6)" .)