Apple Computer , iMac 21.5-inch 2.5/2.7 Core i5 (i5-2400S, i5-2500S), iMac 21.5-inch 2.8 Ghz Core i7 (i7-2600S), Order Number, MC309LL/A, Model Number, A1225, Model Year, Mid 2011, Part Name, AirPort Card (Japan), Manufacture Part Number, N/A, Compatible Apple Order Number, MC309LL/A, MC812LL/A, Compatible Apple Model Number, A1311, EMC Number, EMC 2428, EEE Code, DDV3, Compatible Apple Computer, iMac (21.5-inch, Mid 2011), ,
Order you product here: j661-5946 Airport Card (Japan) for iMac 21.5 inch Mid 2011 A1225 MC309LL/A, j661-5946
source http://info.applepartsellers.com/j661-5946-airport-card-japan-for-imac-21-5-inch-mid-2011-a1225-mc309ll-a