AD9361-based SDR in a Raspberry-Pi form factor (Zynq 7020); the widest instantaneous bandwidth in this list at 61.44 MHz, and it can emulate a USRP B210 / ADALM-Pluto. Newer/emerging product, verify ice9 support and availability before relying on it.
Lifecycle not assessed: nobody has checked yet whether this tool is still maintained, sold or working. Check the project's own page before relying on it.