RE: JR transmitter / Hitec Receiver compatible?
Two other examples of PCM only Tx's to add to the list: Futaba Conquest PCM FP-T6NPK, a simple non computer 512 PCM version of the Conquest series and the Airtronics Spectra PCM 7P (the spectra name was used by Airtronics long before Hitecs use of the name for their synth module. This Tx was a single airplane Tx with no model storage however had most of the features and mixs of modern computer types and was programed through 48 pots and dip switchs.
I am sure there are others out there also but I own examples of both and still use them.
John