Docooler 2.4G FlySky FS-CT6B 6-Channel Radio Model RC Transmitter & Receiver Heli/Airplane/Glid Super active and passive anti-jamming capabilities. Very low power consumption. High receiving sensitivity. 8 model memory, digital control. Can be programmed by PC with included software. Full range 2.4GHz 6-channel radio. 4-Model Memory. 4 Type (Airplane, Heli90, Heli120, Heli140).Integrated timer. Contrast Adjustment. Throttle cut. Computer Programmable. USB Socket. Use a linear spread of fine paragraph by exces antenna. It covers the entire band width of he antenna bandwidth range. High quality and stability.