AirPort Extreme Wireless Network Card 661-4594, BCM94321MC

iMac 20-inch A1224
iMac7,1 Mid 2007: MA876LL/A (2.0 GHz Core 2 Duo)
iMac7,1 Mid 2007: MA877LL/A (2.4 GHz Core 2 Duo)
iMac8,1 Early 2008: MB323LL/A (2.4 GHz Core 2 Duo)
iMac8,1 Early 2008: MB324LL/A (2.66 GHz Core 2 Duo)

iMac 24-inch A1225
iMac7,1 Mid 2007: MA878LL/A (2.4 GHz Core 2 Duo)
iMac7,1 Mid 2007: BTO (2.8 GHz Core 2 Extreme)
iMac8,1 Early 2008: MB325LL/A (2.8 GHz Core 2 Duo)
iMac8,1 Early 2008: MB398LL/A (3.06 GHz Core 2 Duo)

MacBook Pro 15-inch A1260
MacBookPro4,1 Early 2008: MB133LL/A (2.4 GHz Core 2 Duo)
MacBookPro4,1 Early 2008: MB134LL/A (2.5 GHz Core 2 Duo)
MacBookPro4,1 Early 2008: BTO (2.6 GHz Core 2 Duo)

MacBook Pro 17-inch A1261
MacBookPro4,1 Early 2008: MB166LL/A (2.5 GHz Core 2 Duo)
MacBookPro4,1 Early 2008: BTO (2.6 GHz Core 2 Duo)
MacBookPro4,1 Late 2008: MB766LL/A (2.5 GHz Core 2 Duo)
MacBookPro4,1 Late 2008: BTO (2.6 GHz Core 2 Duo)