The AD-1 High Grade System converts your standard Mini Z Am radio system into the FM high response band utilized by KO . The system includes a new teal colored module, a circiut board to replace the existing electronics, an AD band crystal set, and a new faster steering servo motor.

Mini Z's can now be raced 20 at a time! There are a total of 20 frequency choices on the AD band.

The AD-1 unit is fully approved by Kyosho and is World Cup Approved.