With a good line of sight (and having it up in the air as I do should help that) it is supposed to reach close to a half a mile. That should be more than enough for what we need seeing how before with only the laptop antenna why...it was laughable. I have yet to do any real world tests of any significant distance but I feel confident in it. Someone had asked how I stored it for travel on the pup. I just tied it off to the rack and made this little pvc support for the rear and it's real solid.