Features High Sensitivity: This is a high sensitivity spectrum analyzer for 35M~4.4G signal. It can analyze the electrical signals of all radio bands from very low frequency band to sub millimeter band below 1 Hz. Calibration Function: The spectrum analyzer equipped with USB interface and SMA@50ohm interface. Integrated with frequency accumulatio. The interface integrates frequency accumulation function. High Quality: The spectrum analyzer shell is made of aluminum alloy of good quality and fine craftsmanship. Corrosion resistance and long service life. Make sure your products are of higher quality and you can easily buy them. High Efficiency: The spectrum analyzer maximum tank input power of the analyzer is -10dBm. It can guarantee other hardware and greatly improve work efficiency. Portability: The spectrum analyzer high-precision frequency and high acceptance range of the power meter greatly increase the application range. The signal source power meter is light and easy to carry, and can be placed in the toolbox at any time. Specification: Item Type:Spectrum AnalyzerSignal Generator and Spectrum Analyzer Frequency Range: 35Mhz-4.4Ghz MIN Step: 1K Output Power (Reference): 0dBm @ 1G Frequency Accumulation (Calibration): +-0.1k@1GHz Spectrum Analyzer Maximum Liner Input Power: -10dBm Maximum Input Power without Damage:+ 10dBm MiniUSB Power Supply: + 5V / 0.3A Interface: USB, SMA @50Ω Size:88 x 59 x 13mm / 3.46 x 2.32 x 0.51in Weight: 140 g / 4.94 oz(approx.) Package List: 1 x Analyzer 1 x Cord Package List 1 x Analyzer 1 x Cord