Luckily the main page continues on past that if you scroll down and tells you about the modules included and things that use the frequencies those modules speak.
If you're not curious enough to read past a few lines of content, you're not really the target to be honest.
Pentesting (or hacking in any sense of the term) often involves spending a lot of time researching and learning about things, typically heading onto paths where you don't know where you will end up.