StixRF is the smallest possible 70 MHz - 6 GHz digital radio wide-band receiver. With a USB 3-capable laptop and stixRF in your pocket, you will be ready to capture your signal of interest in seconds, regardless if it is VHF radio or 5 GHz band Wi-Fi. You will also save space in your embedded receiver installation with some of available powerful ARM platforms. And it is all easily controllable using the GNU Radio platform.
"StixRF's tunable frequency range spans from 70 MHz to 6 GHz with a 40 MHz bandwidth which covers the majority of both license and unlicensed frequency bands."