? 5.6 inch highlight color display, 640*480 resolution, waveform display clearly; Frequency Range: 9KHz~1.6GHz AC Coupled 5M~1.6GHz TG ? IP-51 High protection portable design, sturdy and durable, can be used in laboratory, more suitable for field mobile use; built-in large capacity lithium battery, can work for more than 4 hours. 18650 rechargeable battery. ? Spectrum analyzer has the lowest DANL and SSB phase noise, and narrowest RBW. It greatly enhances the recognition ability to the spurious signal and noise signal. The 5.7 inch highlight color display can provide accurate, bright and clear trace both inside and outside, no need to move to shading place for work. ? Firm and tight mechanical structure, close rubber sleeve pack, which is fit for harsh site work environment. Advanced built-in battery management system is adopted. Standard super large capacity-7800mAh lithium battery, and support 6 packs of 18650 battery pack which can keep measurement working in site for over 4 hours. ? Standard spectrum feature. It can analyze the signal time stability, and find out lacunar signal in communication system accurately. Integration USB Host & Device, support USB flash disk memory, Its PC software can achieve the management and storage of testing data.