?Spectrum analyzer is an instrument to study the spectrum structure of electrical signal, which is used to measure signal parameters such as signal distortion, modulation system, spectrum purity, frequency stability and modulation distortion ?The display adopts 10.4-inch TFT LCD screen, which makes the operation more intuitive and convenient ?Can measure 9kHz-3.2 GHz, high performance, low consumption and low cost design. Can hold maximum value, minimum value, average value, normal value, sample value ?It is an essential means of radio signal measurement, and is a common tool for electronic product research and development, production and inspection ?100% Guarantee: High quality product, we promise to do everything possible to satisfy all customers. However, if you are not 100% satisfied with our service or our products, simply contact us. We are always at the side of our customers to support and continuously seek new ways to improve