• 1 MHz to 6 GHz operating frequency • half-duplex transceiver • up to 20 million samples per second • 8-bit quadrature samples (8-bit I and 8-bit Q) • compatible with GNU Radio, SDR#, and more • software-configurable RX and TX gain and baseband filter • software-controlled antenna port power (50 mA at 3.3 V) • SMA female antenna connector • SMA female clock input and output for synchronization • convenient buttons for programming • internal pin headers for expansion • Hi-Speed USB 2.0 • USB-powered • open source hardware