Cisco Aironet 3500e Wireless N Dual-band Controller

Cisco Aironet 3500 series access points with Cisco CleanAir technology are the industry's first 802.11n access points to create a self-healing, self-optimizing wireless network. CleanAir technology is a system wide feature of the Cisco Unified Wireless Network that improves air quality by detecting RF interference that other systems can't recognize