G Wire can be plugged into an NCE command station. When plugged in it will act as a procab throttle. When on wireless it uses selectable wireless channels and has no command station. It sends full DCC commands via wireless - no RB02
for live track systems - power thru rail, no dcc via rail only raw AC or DC system power. The loco has wireless receiver, decoder, and booster on board.
For dead rail - wireless receiver, decoder, and booster and battery
Gwire DCC decoders are usually from CVP( air wire) or QSI