Cell catchment boundaries and antenna coverage
Keep cell catchment as small as possible. Select frequencies to minimize adjacent cell channel interference.
Select antennas to beam the RF to intended areas and not isotropically.
RF Power Levels
Keep RF transmitter power levels as low as possible (1, 10mW rather than 100mW).
Update device firmware and OS software
Using inventory controls, the issuance of configured WNICs (SSIDs, WEP keys, etc) and other
passwords is tightly maintained
Personnel security: monitoring who is roaming the hallways and with what equipment.
Virtual Private Network (VPN)
Wireless adaptation using a VPN server (PPTP, IPsec) to form a “tunnel” with the AP.