RTL-SDR Blog V4 dongle is a new software defined radio hardware version of RTL-SDR and its based on the R828D tuner chip. It is limited edition version with lot of new features like inbuilt upconverter for HF instead of using direct sampling circuit. The video covers the basic introduction of RTL-SDR Blog V4 dongle and methods to make it work on SDR Sharp (SDR#) applications by Airspy for Windows OS.
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