The AirView Spectrum Analyzer is useful in studying all RF energy contributors in the 2.4GHz band, but has particularly useful tools that make it ideal for optimizing 2.4GHz WiFi Networks. AirView is available in four different models: AirView2 (2.4GHz), AirView2-EXT (2.4GHz, external antenna), AirView9 (900MHz), AirView9-EXT (900MHz, external antenna).