Features: * new and high quality * Made of high-quality materials, sturdy and practical * 35-4400M spectrum analyzer signal source with tracking source LTDZ_35-4400M spectrum analyzer * Computer software (winNWT4) can control ADF4351 to output 35M-4400M reference signal * Spectrum analyzer LTDZ 35-4400M signal source tracking source winNWT4+ case Specification: * Part name: Spectrum Analyzer * material: metal * Size: as shown in the picture * Colour: Black * Attribute: RF frequency domain analysis tool * Interface: USB * Power supply: USB * Standby current: 100mA * Sweep current: 350mA * Sweep bandwidth: 33mHz---4400mHz * Turn on the tracking source output bandwidth 33mhz---3000mhz * Frequency sweep step: 3368.75MHz/125Hz, 68.75137.5MHz/250Hz, 137.5275MHz/500Hz, 275550MHz/1KHz, 5501100MHz/2kHz, 11002200MHz/4KHz, 22004400mHz/8KHz * Scanning speed: 800 points/second * Frequency sweep dynamic logarithm ratio: >50dB * Point frequency or sweep frequency output power: 0 dBm * Input detection: 10dbm * Background: -60dBm * Software used on computer: NWT4.11.09 version * Computer operating system: winxp, win7, win10; Package Contents: 1 x spectrum analyzer 1 x data cable 1 x machine corner pad Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.