© 2014 RailMaster Hobbies TCS DCC Decoders Train Control Systems (TCS) makes a wide selection of decoders for G, HO, N and Z scale locomotives. In addition they make function only decoders for lighting effects and their exclusive “keep alive” circuit to eliminate jerky operation due to minor breaks in track continuity. TCS decoders are protected by their one year “goof proof” no questions asked warranty. Note: If a decoder is out of stock when you place your order we will get it from TCS promptly, but there will be a delay in shipping the order to you. WOW Sound G  Scale HO Scale N Scale Z Scale Function Only Keep Alive If you don’t see a TCS product listed please e mail us with your request