The Cisco AIR-CAP1552E-C-K9 is a ruggedized, outdoor wireless mesh access point from the Cisco Aironet 1550 Series. It is a controller-based (Unified) model designed for the 'C' regulatory domain, built to deliver high-performance 802.11n Wi-Fi in challenging outdoor environments such as metropolitan-area networks, large enterprise campuses, industrial sites, and public venues.