(...) There are wifi stuff already out. G scale commonly uses radio control. The main issue is, of course, the battery... It's a pain in the butt... DCC works very well. It seems able to buffer a small amount of power to reduce brownouts by bad (...) (20 years ago, 10-Feb-04, to lugnet.trains)
(...) I've used a 27 mHz hobby setup powering a 4.5V motor before. It worked quite well, for about 1 hour at a time. However, it required 10 N cell batteries to power it. It fit into a battery car that had the guts cut out of it (I have a spare...). (...) (20 years ago, 14-Feb-04, to lugnet.trains)
