According to the manual you can find a freedombox with e.g.:
$ nmap -p 80 --open -sV 10.1.1.0/24
According to the download page you can write a uSD image with e.g.:
$ sudo chown jj5:disk /dev/sde
$ dd bs=1M conv=fdatasync status=progress of=/dev/sde if=freedombox.img