The ETHS9K6G-300 from Etrontimes Technology is a RF Spectrum Analyzer with Frequency 9 KHz to 6 GHz, Resolution Bandwidth 0.1 to 10 MHz, Analysis Bandwidth 50 MHz, Video Bandwidth 0.1 to 10 MHz, DANL -70 to -40 dBm/Hz. Tags: Analyzer with Screen. More details for ETHS9K6G-300 can be seen below.