Wi-Fi Hotspot Market Size By Component (Hardware [Gateways, Controllers, Mobile Hotspot Devices], Software [Hotspot Management Software, Security Software, Billing Software, Cloud-based Software], Services [Professional, Managed]), By Application (Commercial [Trains, Hotels, Planes, Municipalities, Retail, Airports, Cafes], Community [Residential, Business]), Regional Outlook, Growth Potential, Competitive Market Share & Forecast, 2018 – 2024