The Aaronia HF6065XV4 Spectran V4 USB RF Spectrum Analyzer 10 MHz-6 GHz measures the frequency range of 10 MHz - 6 GHz and is housed in a lightweight and durable milled aluminum case for bench-top or desktop use. Find radiation sources and their respective frequencies and signal strengths. The USB-based spectrum analyzer is controlled via the included full-featured spectrum analyzer PC software, allowing data logging, playback in multiple views, unlimited marker points, and custom parameters and settings to match any RF analysis application.