The MSNG-2500C from Avcom is a RF Spectrum Analyzer with Frequency 5 MHz to 2.5 GHz, Resolution Bandwidth 10 kHz, 100 kHz, 300 kHz, 1 MHz, Amplitude 0 to -85 dBm, Dynamic Range 40 to 50 dBm, Input Power 30 dBm. Tags: Analyzer with Screen, USB / Computer Controlled. More details for MSNG-2500C can be seen below.