The NXM-60 from HAROGIC Technologies is a RF Spectrum Analyzer with Frequency 9 kHz to 6.3 GHz, Resolution Bandwidth 0.1 Hz to 10 MHz, Analysis Bandwidth 100 MHz, Real Time Bandwidth 100 MHz, DANL -161.7 to -106.4 dBm. Tags: USB / Computer Controlled. More details for NXM-60 can be seen below.