Spectrum Analyzer Market Size, Share & Industry Analysis, By Analyzer Type (RF Spectrum, Optical Spectrum, and Others), By Product Type (Benchtop, Handheld, and PC Based), By Bandwidth (1Khz to 5Khz, 5Khz to 9 khz, 9khz to 3Ghz, and above 3 GHz), By Application (Telecom, Optical communication, Radar & Radio system, Digital Signal Processing, Network, and Others)), and Regional Forecast, 2026–2034