Product Description: * new and high quality * Made of high quality materials, durable * Spectrum analyzer LTDZ 35-4400M signal source tracking source winNWT4+ case * 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 * Sweep Step: 33 ~ 68.75MHz/125Hz, 68.75 ~ 137.5MHz/250Hz, 137.5 ~ 275MHz/500Hz, 275 ~ 550MHz/1KHz, 550 ~ 1100MHz/2kHz, 1100 ~ 2200MHz/4KHz, 2200 ~ 4400 mHz/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 Included: 1 x spectrum analyzer 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. _x005f_x000D_