Global Wireless LAN Controllers Market By Type (2 Port Wireless LAN Controllers, 4 Port Wireless LAN Controllers, 6 Port Wireless LAN Controllers, 8 Port Wireless LAN Controllers, 16 Port Wireless LAN Controllers, and 32 Port Wireless LAN Controllers), By Application (Enterprise, and Residential), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028