The R&S®ESW8 from Rohde & Schwarz is a RF Spectrum Analyzer with Frequency 1 Hz to 8 GHz, Frequency Resolution 1 Hz to 10 MHz, Resolution Bandwidth 1 Hz to 10 MHz, Attenuation Range 70 dB, Third Order Intercept(TOI) 20 to 25 dBm. Tags: Analyzer with Screen. More details for R&S®ESW8 can be seen below.