The VSA6G2A from Triarchy Technologies is a USB Vector Spectrum Analyzer that operates from 1 MHz to 6.2 GHz. This compact analyzer can be connected to a PC via the USB port and does not require any external power. It can be used to monitor RF signals and is also run EMC tests with a near field antenna. The analyzer is available in a module that measures 115 x 25 x 25 mm and is ideal for WiFi, bluetooth, FM radio and near field and EMC testing applications.