This is a diversity cable for the powerbook G4 Aluminum 15". This is the part with the inverter cable, airport antenna cable connector, and bluetooth board connector. Note that the airport cable diversifies from this board into two other cables which run up the side of the display case. Those two cables are not part of this piece. Those are part of the display back casing. Click Here to go to that part.
More Apple Parts from Powerbook G4 Aluminum (A1095)