Tip: If you see multiple entries, select the one with (or 1). For most sticks, only one interface needs changing.
RTL-SDR (Realtek Software Defined Radio) is a low-cost SDR hardware platform based on the Realtek RTL2832U chip. This chip was originally designed for digital TV reception, but it was discovered that it could be used for SDR applications. RTL-SDR is a USB device that can receive radio signals in a wide frequency range (24 MHz to 1766 MHz) and is capable of sampling at 3.2 Msps. The RTL-SDR platform consists of a small USB dongle with an RTL2832U chip, an RF tuner, and a few other components. zadig rtl sdr