Building a war-drive kit
 
 
- Footprinting : locating APs
- 
- passive: listening to AP broadcasts
- active: transmitting client beacons in search of AP responses
 
- Equipment
- 
- cards (802.11.b, 11.g) -- choose the software first
- Antennas  (e.g. HyperLink Tech)
- GPS
 
- Software (Windows)
- 
- NetStumbler  (set SSID to ANY) active mode. Counter-measure: set AP  not to reply to probes.