iMac 21″ 27″ A1311 A1312 – AirPort Card $15.00 A1311 – A1312 – Late 2009 – Mid 2010 – Mid 2011 Select One Choose an optionABClear iMac 21" 27″ A1311 A1312 - AirPort Card quantity Add to cart Add to Quote Continue Shopping Category: Cards - Boards - Power Supplies (Intel) Tags: 2009, 2010, 2011, 21.5", 27", airport, imac, wifi card Description AirPort Card for 21″ and 27″ iMac A) Late 2009 – Mid 2010 – 661-5423, AR5BXB92 B) Mid 2011 – 661-5946, 661-5979, AR5BXB112