For any noobs reading this thread..
If you want a pretty secure wireless network so that most passerbys won't do anything (even the ones that want to dig a little) Just do the following:
1) Change SSID and admin password on the router.
2) Use WPA if possible, if not then WEP.
3) Enable MAC filtering.
Number 1 protects you from someone logging into your router and changing the settings. If this ever happens you will need to do a factory reset on the router and start over from scratch.
Number 2 protects you from people sniffing your wireless traffic to get passwords and other personal info. It also keeps people from being able to use your wireless router unless that person has the key.
Number 3 makes it do only your network card can connect to the router. In theory each network card has it's own MAC address. Something 1 in a billion or trillian will have the same MAC as you. The only time that is a problem is if for some reason the card with the same mac happens to be on your same network. So chances of that happening are very slim. Now, a MAC address can be spoofed, so if someone figures it out they can connect to your router with that MAC. But with a combination of all three situations this should not happen as any data sent to the router that may contain your mac address will be encrypted.
If you don't understand any of this your manual for the router will probably have a good step by step guide. And do a search on the net for securing wireless, such as
http://www.pcstats.com/articleview.cfm?articleID=1489TOK, never heard of wardriving before? Then I wonder if you heard of a cantenna...
Oh yeah, I so have my GPS hooked up to that laptop too when I drive around
Around here it is easy though, this is a college town.
I alos got that little wifi detector form tigerdirect when it was free after rebate. Bah, what a piece of crap. It is not suppose to pick up phones, but it does.