The (Cisco 5508 Wireless Controller) is a legacy enterprise-grade platform designed to manage large-scale wireless networks. Running software version 8.3.150.0 marks the "end of the road" for this specific software line, as it was the final maintenance release for the 8.3 train. Software Version 8.3.150.0 Overview
The identifier AIR-CT5500-K9-8-3-150-0 a specific firmware image file for the Cisco 5500 Series Wireless Controller (WLC) . This specific version belongs to the 8.3 release train air-ct5500-k9-8-3-150-0