I think, now that DK is bankrupt, there would be no problem. But as I understood from some Beta testers, DK made them make sign an NDA...?
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However, why should one one such a "hybrid", ugly solution. Once you already have a PC, why not use the proven JMRI WiThrottle server instead.
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I guess, you might want to be looking for hardware solutions with Bbuilt-in WiThrottle like our (YaMoRC) YD9401 or Uhlenbrock's?63860 LocoNet-USB und Wlan Interface.