iMac 21.5″ A1311 – Bluetooth Antenna $10.00 A1311 – Late 2009 – Mid 2010 – Mid 2011 iMac 21.5″ A1311 - Bluetooth Antenna quantity Add to cart Add to Quote Continue Shopping Category: A1225 (24" Alu iMac) Mid 2007-Early 2009 Description Bluetooth Antenna – iMac 21.5″ A1311 Apple 922-9283, 922-9484, 922-9904