Fangrui Product Details 2023 Upgraded Ultra - This New Version V0.4.5.1 Spectrum Analyzer Is With 4.0 Inch 480 X 320 Large Touchscreen Display, 100khz To 5.3ghz Widely Measure Range, With The New Esd Protection Function, The Product Has A Higher Anti-static Level And A Longer Service Life, And Built-in 32gb Micro-sd Card, Can Directly Record Data To The Card ,which Is Convenient For Your Data Sharing And Storage. Frequency Range - Compared To The (100khz To 960mhz), The Upgraded Ultra Has 100khz To 5.3ghz Ultra-wide Measuring Frequency Range, Spectrum Analyzer For 0.1-800mhz, With Ultra Mode Up To 0.1mhz-6ghz.switchable Resolution Band Pass Filters For Both Ranges Between 200hz To 850khz. Color Display Showing 450 Scan Points Covering Up To The Full Low Or High Frequency Range. Faster And More Accurate Measurement Performance, You Can Easily Cope With Measurement Testes In . 2-in-1 Multifunctional Frequency Analyzer Signal Generator - When Not Used As Spectrum Analyzer It Can Be Used As Signal Generator,with Sine Wave Output B