922-9846 iMac Mid 2011, 27 inch - A1312 Bluetooth/Camera/Sensor Cable NB-2850W
This is a replacement Bluetooth/Camera/Sensor cable for the 27-inch iMac released in mid 2011.
Apple part number: 922-9846
922-9846 iMac Mid 2011, 27 inch - A1312 Bluetooth/Camera/Sensor Cable