Hi guys, just wondering if there is any chance this could be looked at soon? Thanks,
Regards, Carl Laufer RTL-SDR Blog On Fri, May 1, 2026 at 4:20 PM Carl Laufer <[email protected]> wrote: > Hi all, > > The RTL-SDR Blog V4 model is based on the R828D chip, which is no longer > in production, and the stockpile we were using is now running low. > > But we found a bunch of stockpiled R828*S *chips, which I intend to use > for a "V4 Lite" model that will allow a similar V4-like architecture to > continue being sold for at least another year (and hopefully at a > slightly lower price, too). To support the R828S chip a driver update is > needed. > > It's a little confusing as the R828S chip presents itself on I2C as an > R820T/R860. Like the Blog V4 patch, the code looks for the "RTLSDRBlog" and > "V4L" strings in the EEPROM manufacturer/product strings to know what it's > dealing with. > > The R828S also has only two inputs, so there are some switching changes, > and hence the 'lite' designation, as it doesn't have the additional VHF/UHF > split filtering that we could do with the three inputs on the R828D. > > I also added a small mod to disable the tracking filter when in HF > upconversion mode for both the V4 and V4L, as this seems to help > sensitivity a bit. > > Please consider this patch. And if anyone at Osmocom wants to try a V4L, > please let me know. An initial run of the V4L models should be ready in > about 1-2 months. > > Regards, > Carl Laufer > RTL-SDR Blog >
