Over on the Great Scott Gadgets blog, Mike Walters, one of the team behind the HackRF Pro has uploaded a post detailing the HackRF Pro's sensitivity and noise figure measurements.

If you are unaware, the HackRF One has long been a core staple in the SDR community. While it is not classed as a high-performance SDR for optimized reception, it is one of the most versatile hacker/experimenter SDR's on the market with a wide frequency range, wide bandwidth and RX and TX capability. The soon-to-be-released HackRF Pro is an upgrade from the original HackRF One.

The measurements by Mike show that the HackRF Pro has significantly lower noise figure across all frequencies compared to the HackRF One. A lower noise figure equates to improved receiver sensitivity. However, although improved, the noise figure is still high enough that you'll probably want to use a low-noise amplifier (LNA) for optimizing reception of weaker signals. 

Mike also confirms the noise figure improvements equate to improved real world performance by receiving ADS-B signals from aircraft, with the HackRF Pro showing increased range and doubling the number of messages received.

Also, in related news from a post a few days earlier, Maggie Way wrote about the Great Scott Gadgets free stuff program. This program allows people in the open source hardware community to submit a request for free hardware from Great Scott Gadgets if they have intentions to use the hardware to spread education, support community projects, or contribute to open source projects or research