Spektrum DX6i

6 Channel Transmitter Only MD2 The 6-channel DX6i includes software for airplanes and helicopters as well as benefits like ModelMatch technology and 10-model memory. Programming the DX6i is about as intuitive as it gets. The combination of its Simple Scroll interface, easy-to-read LCD screen and simplified menu navigation will immediately put first-time programmers at ease. Many programming functions like throttle curves and expo are graphically depicted to give you a clearer picture of the changes you're making.