HackRF One 1 MHz - 6 GHz SDR Platform Software Defined Radio Development Board Black 20 x 4 x 12cm

The operating frequency is 1 MHz to 6 GHz, and it is half-duplex transceiver with up to 20 million samples per second, with 8-bit quadrature samples (8-bit I and 8-bit Q).
This product can compatible with GNU Radio, SDR#, and so on software, has a wild application.
It can software configurable RX and TX gain and baseband filter and with software-controlled antenna port power (50 mAh at 3.3 V).
It is an open source hardware, with high speed USB 2.0.
It has the SMA female antenna connector and SMA female clock input and output for synchronization.