TopJimmy,
It won't work after a while. I bought one at a charity yard sale for $2 and plugged it in. It worked for about one day. The cable company computer finally got around to polling the box and wiped it clean.
I wasn't trying to steal cable, I just wanted a second box and couldn't see paying "rent" for one. No go says Insight cable. If you want a second digital box you're paying the fee.
Don't waste your money.