Handheld Spectrum Analyzer 9kHz-13.6GHz, (Model 13) R&S ID Number: 1314.2000.13 with preamplifier, has no options Unit sold with a valid calibration certificate and with 12 months warranty The R&S FSH13 spectrum analyzer is rugged, handy and designed for use in the field. Its low weight, its simple, well-conceived operation concept and the large number of measurement functions make it an indispensable tool for anyone who needs an efficient measuring instrument for outdoor work. Model 23: Frequency range: 9 kHz 13.6 GHz High sensitivity:< -141 dBm (1 Hz), with preamplifier < -161 dBm (1 Hz) Demodulation bandwidth for analyzing LTE signals: 20 MHz Low measurement uncertainty: < 1 dB Measurement functions for all important measurement tasks related to the startup and maintenance of transmitter systems Internal tracking generator and VSWR bridge with built-in DC voltage supply (bias) Rugged, splash-proof housing for rough work in the field Easy operation thanks to user configurable, automatic test sequences (wizard) Easy handling due to low weight (3 kg with battery) and easy-to-reach function keys