Feature:1. 35MHz4.4GHz signal source output range, can display and analyze a simple spectrum.2. Equipped with a tracking source TG, the frequency of the signal output by the tracking source can accurately track the tuning frequency of the spectrum analyzer.3. Touch function, without button operation, you can directly click on the touch screen to operate.4. Four major modes, Network mode, Spectrum mode, Point frequency mode, Sweep mode. After power on, the default mode is Network mode.5. Portable and small, it can be easily handheld for measurement or carried to various places.Specification:Item Type: Spectrum AnalyzerModel: PLZ-PA35-4400-A01Material: PlasticOutput Frequency Range: 35MHz-4.4GHzStep: 1kHzOutput Power (For Reference): 0dBmSpectrum Input Frequency Range: 35M-4.4GHzFrequency Accuracy (After Calibration): +-0.1k 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