The MS2038C from Anritsu is a RF Spectrum Analyzer with Frequency 5 KHz to 20 GHz, Resolution Bandwidth 1 Hz to 10 MHz, DANL -164 to -136 dBm, Attenuation Range 10 dB, Third Order Intercept(TOI) 14 to 20 dBm. Tags: Analyzer with Screen. More details for MS2038C can be seen below.