Transfer or receiver of voice and data between two or more points that aren't connected by an electrical conductor or wires is called as wireless communication. It can be typically use the electromagnetic waves in open space. Wireless communication is generally considered to be a branch of telecommunications and radios.
Wireless Communication System involved :
* The data communication module - To exchange information with the ground station.
* Two independent video channels for the normal and infrared cameras.
* The receiver for manual control - normal manual operations.
* A dedicated channel - to select the manual/autonomous navigation mode.
* The solution adopted control separates the manual control system from the microcontroller.