The SAN-60 M2 from HAROGIC Technologies is a RF Spectrum Analyzer with Frequency 9 kHz to 6.3 GHz, Resolution Bandwidth 0.1 Hz to 1 MHz, Analysis Bandwidth 25 MHz, Real Time Bandwidth 25 Mhz, DANL -158.4 to -103.6 dBm. Tags: USB / Computer Controlled. More details for SAN-60 M2 can be seen below.