Fangrui Product Details Fangrui Product Details Advanced Spectrum Analysis: This Handheld Device Efficiently Combines A Spectrum Analyzer And A Signal Generator, Covering A Broad Frequency Range From 100khz To 5.3ghz. Ideal For Both Professional And Amateur Use In Electronics, Communications, And Network Testing. Advanced Signal Function: The Spectrum Analyzer And The Signal Generator Output From 0.1-800mhz And Square Or Rf Test Signal To A Sine Wave Output Of Up To 5.3ghz, Which Provides Multi-functional Signal Analysis And Generation. Enhanced Display And Availability: The Spectrum Analyzer Has Upgraded 4 -inch Ips Lcd Screens And Intuitive Knob Design, Which Can Provide Accurate Touch Sensitivity And Easy Operation To Read Quickly Data On The Handhered Spectrum Analyzer. Enhanced Portability: Equipped With A Powerful 5000mah Battery, This Analyzer Ensures Extended Operational Time, Making It For Fieldwork. Its Compact Design Enhances Mobility, Allowing You To Carry It Effortlessly Wherever You Go. Ample Storage Capacity: Comes With A 32gb S