The DJI RC 2 smart controller has some key upgrades compared to the DJI RC. The performance of the processor has been improved for smoother operation. The video transmission system has been upgraded, and the antenna system has been upgraded from 1T2R to 2T4R. With DJI Mini 4 Pro, the O4 video transmission can be used. DJI RC 2 features two built-in antennas and two external antennas, and also supports manual angle adjustments for the two external antennas to achieve better video transmission effects.