GoolRC 2.4G FS-GT2 2CH Radio Controller RC Transmitter (2 Channels)& Receiver (3 channels) for Car Boat Super active and passive anti-jamming capabilities. High receiving sensitivity. Work between 2.400GHz to 2.4835GHz frequencies, divide into 160 frequency points. Use a linear spread of fine paragraph by an excess antenna. Has its own unique ID, increase the anti-jamming capability and stability.