Ceyear new 4025 series handheld Spectrum Analyzer covers from 9 kHz to 54 GHz. It features 120 MHz analysis bandwidth and abundant measurement functions, such as 5G NR, Real-Time Spectrum Analysis, Vector Signal Analysis, Time Gate and so on. Besides the common spectrum measurement, it can work with different antennas for radio monitoring and geolocation for illegal signals. The -20°C to +55°C working temperature makes it ideal for field use.