607-7211 661-5946 Card, AirPort - Mid 2011 - A1311 21.5 inch iMac NB-3217W
This is a replacement airport wireless card for the 21.5-inch and 27" iMac released in Mid 2011.
EEE code: DDV3
Apple part number: 661-5946, 607-7211
661-5946 Card, AirPort - Mid 2011 - A1311 21.5 inch iMac 6077211