Windows 11 is aggressive about power management. It might put your RTL-SDR to sleep, causing "Device not found" errors after a few minutes.
The most significant evolution in the RTL-SDR driver story on Windows 11 concerns and memory integrity . rtl-sdr driver windows 11
Once the WinUSB driver is in place, Windows 11 is an excellent host for RTL-SDR. The modern USB 3.x controllers and improved interrupt handling allow for stable sampling at 2.4 MS/s (megasamples per second), and even 3.2 MS/s on high-quality dongles. However, users must be aware of two performance characteristics: Windows 11 is aggressive about power management
Windows 11’s driver signature enforcement blocking an unverified .cat file. rtl-sdr driver windows 11
