https://opensourcesdrlab.com/products/70mhz-6ghz-2r2t-b220-mini-ad9361-software-defined-radio-development-board-sdr-libresdr-b210mini-support-uhd-pluto-oai
This #sdr looks very interesting. Depending on the firmware you load onto its SD-card it emulates a #usrp or a #plutosdr and has an input for a 10 MHz reference frequency.
Bonus: it's open hardware. #libresdr #amateurradio #softwaredefinedradio