The R&S FSH Series of handheld Spectrum Analyzers from Rohde & Schwarz operate from 9 kHz to 20 GHz. They have a 6.5 inch color LCD with VGA resolution and a battery life up to 4.5 hours. The analyzers can be used to maintain or install transmitter systems, checking cables and antennas, assessing signal quality in broadcasting, radio communications and service, measuring electric field strength or in simple lab applications. The series has an average noise level from -115 dBm to -160 dBm displayed on the analyzer, power of 30 dBm and dynamic range of more than 60 dB for filter and antenna isolation measurements.