🔍 Discover the Spectrum of Possibilities! Enjoy up to 8 hours of continuous use with a robust 3000mAh battery. Seamlessly switch between spectrum analysis and signal generation. Built-in 32GB SD card for effortless data recording and sharing. Navigate with ease on a vibrant 4-inch touchscreen display. Experience unparalleled frequency analysis from 100kHz to 5.3GHz. 32GB SD Card 100kHz-5.3GHz Range 3000mAh Battery The 4Inch TinySA Ultra Spectrum Analyzer is a cutting-edge portable device that offers an extensive frequency range from 100kHz to 5.3GHz. With its 2-in-1 functionality as both a spectrum analyzer and signal generator, it features a 3000mAh rechargeable battery for up to 8 hours of use, a built-in 32GB SD card for data storage, and a user-friendly 4-inch touchscreen for easy operation.