The phantom 4 pro remote controller without display is specifically designed to allow control of the dji phantom 4 pro quadcopter enabling a maximum transmission range of up to 43 miles 7km it features an upgraded lightbridge hd video transmission system that adds 58 ghz transmission support with the ability to choose between 24ghz and 58ghz that allows pilots to cut through interference and eliminate image lag caused when flying in an area with extensive 24ghz frequency use