I don't know if the product is legit, but this quote jumped out at me:
"There's a big vulnerability people see, because optical fiber is very easy to tap," says Bob Gelfond, MagiQ CEO, citing one carrier that was finding taps in its Manhattan office "several times a week."
Satellite shuts down truck
It's cool from a defensive standpoint, but at the same time a bit creepy. Will we see this in cars one day? Link.