Perfect upgrade for the 9Z radio, but can also be used with the 9C or 9C Super. No crystal required, simply move two rotary switches to match transmitter channel. One year limited warranty A big convenience for 9Z owners. Now pilots can fly on any free 72MHz channel — without bothering with crystals!

Two adjustable pots make operation a breeze. A perfect upgrade for the 9Z radio, but can also be used with the 9C or 9C Super.

Installing in model and connecting battery and servos