11M 802.11b WIFI Wireless airport card for Powerbook, iBook, eMac, iMac 1.Used for Powerbook G4, iBook, iMac, eMac,PowerMac. 11M ... 802.11b WIFI Wireless airport card for Powerbook, iBook, eMac, ... iMac1.Used for Powerbook G4, iBook, iMac, eMac,PowerMac.2 ...