Apple Mac mini Late 2009 (Technician Guide) - Manual (Page 93)

Mac mini (Late 2009) Take Apart — Internal Frame 93 2009-11-03
Reassembly
Replace the internal
1
frame.
Route the 2 antennas
2
(on the side) so they
are out of the way of
the internal frame.
3
Route the AirPort
antenna up through
opening in internal
frame.
Tuck antenna into
4
cable channel on
internal frame.