AirMagnet

Rogue access points, network intruders, bandwidth bandits beware, AirMagnet is the single most powerful tool for wireless LAN administration on the market today, with full recognition of both the IEEE's 802.11b and 802.11g, this product runs in promiscuous mode, which none of the competitors do.
 

Just a few of its capabilities that rank it high above the competition:

• 30 security alarms for the obvious rogue access points and equally dangerous less publicized security risks.
• 37 alarms and diagnostics to help you detect problems on the WLAN before they affect end users.
• One-touch remote drill down into any sensor on the network, with local processing that saves bandwidth and offers real-time remote access and management.
• Compatible with leading management consoles (SNMP traps built in.)