The DJI Phantom 2 Receiver is a replacement part for the Phantom 2 Quadcopter. It replaces the original 2.4 GHz receiver that comes pre-installed in the aircraft.
Note: This is for 2.4 GHz versions the Phantom 1.1.1 and Phantom 2 Quadcopters only. The Phantom 2 Vision radio system operates at 5.8 GHz and is not compatible with this part.