Siglent SSA3021X Plus - 2.1 GHz Spectrum Analyzer with Tracking Generator and Preamplifier 2.1 GHz spectrum analyzer Includes tracking generator and pre-amplifier -161 dBm/Hz Displayed Average Noise Level (DANL) 1 Hz~1 MHz Resolution Bandwidth (RBW) The SIGLENT SSA3000X Plus series spectrum analyzers are powerful and flexible tools for RF signal and network analysis. With models available between 1.5 and 7.5 GHz, the analyzer delivers reliable automatic measurements and multiple modes of operation. Optional functions include RF power measurement, vector signal modulation analysis, reflection measurement, and EMI test. The SSA3000X Plus can be used in a variety of applications, including broadcast monitoring/evaluation, site surveying, S-parameter measurement, analog/digital modulation analysis, EMI pre-compliance test, research and development, education, production, and maintenance. Frequency Range Resolution Bandwidth (RBW) Phase Noise Total Amplitude Accuracy Display Average Noise Level (DANL) SSA3015X Plus 9 kHz ~ 1.5 GHz 1 Hz~1 MHz -156 dBm/Hz SSA3021X Plus 9 kHz ~ 2.1 GHz 1 Hz~1 MHz -161 dBm/Hz SSA3032X Plus 9 kHz~3.2 GHz 1 Hz~1 MHz -161 dBm/Hz SSA3075X Plus 9 kHz~7.