Expert Wireless LAN Analyzer 

AiroPeek NX, WildPackets’ expert wireless LAN analyzer, provides network engineers with the expert diagnostics they need to deploy, secure, and troubleshoot wireless LANs. AiroPeek NX covers the full spectrum of wireless LAN management requirements, including site surveys, security assessments, client troubleshooting, WLAN monitoring, remote WLAN analysis, and application layer protocol analysis. Designed to accelerate the troubleshooting of WLAN-specific problems, AiroPeek NX features powerful problem detection heuristics and 802.11-specific diagnostic capabilities.

AiroPeek NX features:

Includes 802.11-specific Expert Diagnostics 
Includes features for Site Surveys and Security Audits 
Includes a Channel Signal Strength Meter with graphing and alarm setting capabilities 
Supports basic VoIP Analysis 
Performs on-the-fly and post-capture WEP Decryption 
Supports distributed WLAN analysis with the RFGrabber Probe 

Wireless LAN Protocol Analyzer 

AiroPeek, a comprehensive packet analyzer for IEEE 802.11 wireless LANs, is designed to identify and solve wireless network anomalies. It quickly isolates security problems, fully decodes all 802.11 WLAN protocols, and analyzes wireless network performance with accurate identification of signal strength, channel and data rates. AiroPeek incorporates all of the network troubleshooting expertise familiar to users of our award-winning EtherPeek. 
AiroPeek features: 
Full 802.11 WLAN protocol decodes 
Display of data rate, channel, and signal strength for each packet 
Continuous monitoring of network statistics in real-time 
Alarms, triggers, and notifications—all user definable 
Customized output of statistics (HTML, XML, text)