Feature:1. [Signal Source Output Range] The signal source output range is 35MHz4.4GHz, which can display and analyze a simple spectrum.2. [Touch Screen] Spectrum analyzer has touch function, no button operation is required, and it can be operated directly by clicking on the touch screen.3. [4 Mode] With four modes, which is Network mode, Spectrum mode, Point mode, Sweep mode, and the default mode is Network mode after booting.4. [Lightweight And Portable] Frequency analyzer is compact, lightweight, can be easily handheld for measurement, portable, and can be taken to various places.5. [Durable Material] This spectrum analyzer is made of high quality plastic material, which is safe, durable, stable, and can be used for a long time.Specification:Item Type: Spectrum AnalyzerMaterial: PlasticFunction: 35MHz-4.4GHz signal source, sweep frequency signal generator, simple frequency spectrumOutput Frequency Range: 35MHz-4.4GHz,Step: 1kHzOutput Power (For Reference): +-2dBmSpectrum Input Frequency Range: 35M-4.4GHzFrequency Accuracy (After Calibration): +-1k at 1GHzLow Noise Input Signal Amplitude: -70DBM at 0.5GMaximum Input Power: +5dBmPower Supply: USB2.0, USB3.0 (+5V/0.3A, preferably connected to USB3.0)Interface: USB2.0, USB3.0, SMA.Package List:1 x Spectrum Analyzer1 x USB Data Cable1 x Connection Line1 x Chinese And English Manual