You can install this Wi-Fi/DCC Interface in many large scale locomotives together with your choice of suitable Sound or Non-Sound DCC Decoder.
This module provides
DCC signals to the decoder under control from your tablet or smartphone over Wi-Fi using our apps that use the WiThrottle protocol such as Engine Driver by Steve Todd and WiThrottle by Brett Hoffman.
You can also use the new UWT-100 from TCS.
DC power can be supplied from a 12 volt battery.