35M-4400M 4.3 Inch LCD Screen Professional Handheld Simple Spectrum Analyzer Measurement of Interphone Signal T0556

Features Adopt stm32f407 single chip microcomputer main frequency 168M and 4 3 inch TFTLCD 480 800 color LCD screen Full aluminum alloy housing and rotary encoder control USB powered full English display Spectrum display range is 35M 4400MHz Scope of use walkie talkie plaything remote control 2 4Gwifi Specifications Main material aluminum alloy metalColor blackScreen size 4 3 inchSpectrum display range 35M 4400MHzInput impedance 50 ohmsRBW 10KHz 50KHz 100KHz 200KHz 500KHz a total of 5 gear positions can be adjustedScreen scan points 700 pointsScanning span 7M 10KHz 35M 50KHz 70M 100KHz 140M 200KHz 350M 500KHz 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 Maximum access signal 10dBWorking mode superheterodyne scanning spectrum analyzer single scan time is 800msItem size 145 70 30mm 5 7 2 8 1 2inItem weight 200g 7 1ouncePackage size 300 140 70mm 11 8 5 5 2 8inPackage weight 280g 9 9ouncePackage includes 1 Handheld Simple Spectrum AnalyzerNote 1 This product uses the local oscillator signal and the external test signal to obtain the difference frequency signal and calculates the amplitude of the external test signal through the detector Using a high accuracy VCO source the heterodyne signal frequency can be measured very accurately Since the scanning range is