Handheld USB Type-C Rechargeable 2.8inch Touching Display Spectrum Analyzers with 100KHz-350MHz and 260-960MHz Two Input Frequency-Ranges 4 Operation Modes Adjustable

Features:
2.8inch color touching display showing 290 scan points covering up to the full low or high frequency range.
Equipped with two inputs, MF/HF/VHF input for 0.1MHz-350MHz, and UHF input for 260MHz-960MHz.
With switchable resolution bandpass filters for both ranges between 2.6KHz and 640KHz.
Input step attenuator from 0dB to 31dB for the MF/HF/VHF input.
It not only can be used as spectrum analyzer but also can be used as signal generator, MF/HF/VHF sinus output between 0.1MHz-350MHz, UHF square-wave output between 260MHz-960MHz.
A built-in calibration signal generator that is used for automatic self test and low input calibration.
Totally 4 operation modes design, low input mode, high input mode, low output mode, high output mode, you can adjust according to your demands.
Connected to a PC via USB it becomes a PC controlled spectrum analyzer.
The built-in USB Type-C rechargeable battery allowing a minimum of at least 2 hours portable use.
Two types optional, you can choose with antenna and without antenna according to your demands.