Sorry...........1/2 correct, TX is updatable but not the RX (to make the TX work $75 + shipping). I was very happy that I sold 14 DSM2 RXs before they announced the change to DSMX. Even at a huge 1/2 price loss I was happy, what are they worth now? Why would I pay to upgrade to DSMX, buy 14 new RXs only to find out that DSMX has the same problem working at my field as the DSM2 had.