Can I track down someone with their mac address?

How far Wifi goes?

I live full time in an R.V. that is in the middle of a motel cluster. Most motels have password protected wifi. There are also Flying J and Loves with commercially controlled pay-for-access wifi. They have very strong router systems as I can pick up Flying J from 1.5 miles away. I can log into the front page to read basic weather and news.
That is the limit in the area but it does drop when a truck breaks the connection. I regularly (like right now) get free access from area motels that do not password protect their systems. The farthest is 1/2 mile away. The closest is 500 feet away. I do it with a parabolic dish and the usb wireless N card at the focal point. The parabolic dish is actually a weather radar dish. I know guys using c-band satellite dishes to connect up to 10 miles from an access point.
I save about $500 per year by not paying for service. I'm in the RV in the first place due to selling my home to pay off bills. A friend gave me the R.V. and right now, I'm making a little more than i spend per month. Wifi keeps me connected and as long as motels allow it I will continue to do so. But I would never take advantage of a home system.
 
Why do things the difficult and complicated way?

Why do everything the difficult and complicated way when you could just do things the simple way? Just secure your network by only allowing the MAC addresses of the devices you want connected to your router. No? After all, you obviously seem to have a Wi-Fi (IEEE 802.11) or Wi-MAX (IEEE 802.16) capable network. Although I would not know why anyone would want to use Wi-MAX when it broadcasts at such long ranges that even at 10km away it's still transferring okay.
 
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