35M-4400MHz Spectrum Analyzer 4.3Inch LCD Screen Professional Handheld Spectrum Analyzer Measurement Interphone Signal ,Avoid Switching Noise

Full aluminum alloy housing and rotary encoder control. Built-in lithium battery, full English display. Spectrum display range is 35M-4400MHz. Scope of use: walkie-talkie, plaything remote control, 2.4Gwifi. dBm range:-80dB-10dB (support manual adjustment of calibration amplitude), the unit does not have an amplifier circuit inside, if you need to measure small signals, you need an external amplifier. RBW:100KHz, 200KHz, 500KHz, a total of 5 gear positions can be adjusted