There's a similar SDR toolkit out there called RedHawk. Its open source but heavily funded by the NSA so you can imagine that it has specific SIGINT application

There's a similar SDR toolkit out there called RedHawk. Its open source but heavily funded by the NSA so you can imagine that it has specific SIGINT applications in mind. However, you can still connect it to an RTL-SDR and play around with the components in a similar manner. https://github.com/RedhawkSDR/redhawk https://github.com/RedhawkSDR/redhawk