Features 1、This is a high sensitivity spectrum analyzer for 35M~4.4G signal. 2、Integrated with frequency accumulation(calibration) function. 3、The shell is made of aluminum alloy of good quality and fine craftsmanship. 4、The maximum tank input power of the analyzer is -10dBm. 5、Equipped with a USB interface and a SMA@50ohm interface. Specification Item Type:Spectrum Analyzer Signal 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