Low noise RF Synthesizer Frequency range: 100 kHz – 13 GHz Frequency step (exact frequency mode): 0.0001 Hz Phase noise @ 1 GHz center, 20 kHz offset: -140 dBc/Hz Frequency switching time (200 MHz VCO step): 3.5 us SCPI Command Set USB or RS-232 interfaces for remote control (CP2102 USB to COM bridge) +12 Vdc Power Supply (AC/DC adaptor included).