Base Cisco 8540 Wireless Controller (supports up to 6,000 APs)
High-Availability (HA) unit – for fail-over; no AP licenses included
Add-on license for 1 additional access point
Add-on license for 50 access points
Add-on license for 100 access points
Add-on license for 500 access points
1,100 W AC power supply (optional spare / replacement)
1-RU rack-mount kit for Cisco 8540