Re:Universal Radio Hacker: Investigate Wireless Protocols Li...
by sva_ on Sunday February 28, 2021 @08:02AM
(#26293120)
I don't think you can really call them a knockoff. As far as I know, the HackRF has been designed as an opensource hardware[0], so I'd guess the designer intended it to be built by different entities.
[0] https://github.com/mossmann/hackrf/tree/master/hardware