The R&S®UMS300 from Rohde & Schwarz is a RF Spectrum Analyzer with Frequency 8 kHz to 6 GHz, Analysis Bandwidth 20 MHz, Real Time Bandwidth 20 MHz, Storage Temperature -30 to 70 Degree C, Operating Temperature -20 to 55 Degree C. Tags: USB / Computer Controlled. More details for R&S®UMS300 can be seen below.