USB SDR VFO Tuning knob

The USB SDR VFO Tuning Knob* makes it easy to adjust the frequency in SDR software programs using the tuning knob. After the USB SDR VFO tuning knob has been connected to a PC, the LED lights up in blue and changes its intensity when it is turned. The tuning knob has a finger recess for comfortable and precise adjustment.
Application fields: Amateur radio

*SDR: Software-Defined Radio; VFO: Variable Frequency Oscillator