Cisco engineered state of the art 3500 and 5000 series with Clean Air technology: Avoid interference and optimize 802.11n coverage and featured as self healing, high speed, reliable, secure, and efficient wireless network that restrict non-Wi-Fi detection for off channel scoundrels. 3500 and 5000 series-by Cisco, provides you the opportunity and convenience to remotely troubleshoot for fast problem resolution and less downtime.