I have 2 SDR receivers for sale
They are RTL-SDR v5 RTL2832U USB units
Comes with antenna magnetic bases with 3 different antennas for each unit.
I changed the serial number in the firmware so that they can both at the same time.
Here is a description link: https://www.amazon.ca/Nooelec-NESDR-SMArt-Bundle-R820T2-Based/dp/B01GDN1T4S/ref=sr_1_5
Asking 75$ for both