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At long last... RT Systems has delivered their $25 (download) software for the DB20-G/AT-779UV mini mobile radios (Version 5.00.04). It orders easily from their website and installs easily into Windows (11 in my case) and works with my USB to RJ-45 cable. RT indicates that the delay to engineer this software was due to some "incompatibility" in the OEM USB cable wiring, but indicates that it works with the OEM USB cables. I suggest that they may have been using the original Anytone USB cables, which has Windows 10 and 11 issues. But both Radioddity and newer Anyones now have an updated USB cable (albeit it looks exactly the same as the legacy Anytone cable!). RT does sell its own USB to RJ-45 cable for these radios, either separately or as a bundled combo. It is currently only available for Windows 8 and above. I have imported my current codeplug into their software very easily, saved it and now will begin the process of exploring it capabilities. For years, I have kept a CSV (Comma-Separated-Values) file as a master list of all of those frequencies I want to use in some or all of my various wireless radios. It easily opens in Microsoft Excel and now with the RT Systems CPS software, I can "import" and/or copy/paste these channels at will. This software now plugs the major hole that these wonderful radios had since their release. My other minor concern is that they do not "tone scan" but a $22 Baofeng UV-13Pro Ham Radio took care of that problem for me. If anyone has specific operational questions, shoot them at me, and I will be happy to test them out! NOTE: There is another new thread on this topic that insists on using the "Technical Discussion" - "sort by votes" system of discussion, which I abhor! These posts are all about date relevance and I, for one, do not want to subject other's posts, to be "down-voted" and hence pushed to the bottom of the thread. This is radio technology; not a popularity contest! Enjoy!