List of Wireless Control Systems & Trains Manufacturers – Click on each lisiting for info RING ENGINEERING – RailPro preferred control system for operators of: HO, ON30, O & G Scale. RailPro Wireless Train Control w/ prototype sounds for each engine. Use on track power, DCC and Battery power. TRAIN ENGINEER/REVOLUTION – Very popular basic system for G scale. Use on track or battery power. Includes generic steam or diesel sounds. New PIKO Radio Control Options- low cost entry level controls for G scale. Use on track or battery power. Z-Stuff for Trains – smart Signals