The IDA 2 is a light and portable signal analyzer for detecting, analyzing and localizing RF signals and interference in the frequency range from 9 kHz to 6 GHz. The IDA 2 combines a frequency scanner/receiver, transmitter detector, spectrum analyzer, signal analyzer and triangulation software in to a single device. It provides GPS, precision directional antennas as well as an antenna handle with built-in electronic compass, and switchable preamplifier.