9C/9CS Synthesized Transmitter Module - 72MHz. Crystal-free R/C flying! New synthesized module takes the hassle out of selecting and installing crystals for R/C pilots with a 9C or 9C Super radio.
Modelers simply turn two dials to select any frequency from Channel 11-60. Attaches quickly and easily. Great for anyone with a glow-powered or electric R/C airplane, glider or heli!
Installing in place on back of transmitter and tuning to desired channel