The R&S®EM100 from Rohde & Schwarz is a RF Spectrum Analyzer with Frequency 9 kHz to 7.5 GHz, Resolution Bandwidth 125 Hz to 100 kHz, Analysis Bandwidth 150 Hz to 500 kHz, Real Time Bandwidth 10 MHz. Tags: USB / Computer Controlled. More details for R&S®EM100 can be seen below.