Originally Posted by snoopyrc

By AMB20 mode I mean that it emulates the signal that an AMB20 produces so that you can use software that was developed for the AMB20. I was in no way implying that any of the gear was compatible with the actual 20. I think what it actually does is only emit the last two numbers of the seven digits. So transponder # 7213208 would be number 8. I think it was on page 13 of the AMBit book that came with the decoder.