HackRF One from Great Scott Gadgets is a Software Defined Radio peripheral
capable of transmission or reception of radio signals from 10 MHz to 6 GHz.
Designed to enable test and development of modern and next generation radio
technologies, HackRF One is an open source hardware platform that can
be used as a USB peripheral or programmed for stand-alone operation.

WWW: https://greatscottgadgets.com/hackrf/