Macrocell Baseband Unit Market Size, Share, and Industry Analysis, By Type (2G GSM/EDGE, 3G UMTS/CDMA, 4G LTE/LTE-Advanced, 4.5G LTE-Advanced, 4.9G LTE-Advanced Pro Massive MIMO, and 5G New Radio Massive MIMO); By Application (Community and Commercial), and Regional Forecast, 2025-2032