Originally Posted by obsessed2
8 to 13 characters for a WPA-PSK key is reasonably safe so long as your pass phrase is comprised of random a-z and 0-9 alphanumeric characters.
In fact, sometimes a longer password is more easily compromised because people get sloppy and write them down.
Correct. Plus, it appears that this is a portable device, used intermittently, a hacker would really need to be stalking you to crack it via WPA dictionary attack with even a moderately strong 8 char password.