The wide version is specially designed to fit most Euro profile doors, and work with the majority of European mortise locks and cylinders. It is specially designed for use on busy, high traffic doors that need additional strength.
SS-AH650 is the iClass version. Other ID technologies available include: i-Button, DESfire, DESfire EV1, Mifare, Mifare plus, Mifare Ultralight C, Inside Picopass, Legic, HID iClass, SKIDATA