Narrowband-Internet of Things (NB-IoT) Market By Component (Solution, Service), By Deployment mode (In-Band, Guard Band, Standalone), By Application (Smart Meter, Smart Parking, Alarm and Detector, Smart Lighting, Tracker, Wearable, Others), By Industry Vertical (Infrastructure, Agriculture, Automotive, Healthcare, Energy and Utilities, Manufacturing, Consumer Electronics, Others): Global Opportunity Analysis and Industry Forecast, 2021-2031