New Video - Dual Throttle Mode 

Introducing the first Z-Scale decoder with On-board Keep Alive® - the AZL2D5! This feature-packed decoder for the American Z Line SD40-2...

You read that correctly! You can now order RR-Cirkits electronics directly from us! Shop for any and all RR-Cirkits hardware!...

We have released firmware update 3.4 for the UWT-50E and UWT-100 throttles! Be sure to update your throttles via the TCS DEPOT. UWT-50E:...