Originally Posted by rcgeezer

I've been using the transponder Wallot mentioned from MRT/Rclaps for over a year now and it works flawlessly with all AMB scoring systems! Easy to set up, 20 pre-programmed numbers to choose from, and you can clone your existing AMB if you like so you only have to remember 1 number for buggy and truggy. Plus...it's WAY cheaper, much smaller and weighs much less than an AMB personal!! Try it...you'll like it.