The QFS-200-40000 from Qualwave is a Frequency Synthesizer with Frequency 0.2 to 40 GHz, Step Size 0.1 to 0.2 Hz, Output Power -40 to 10 dBm, Harmonics -20 dBc, Spurious -65 to -60 dBc. Tags: Module with Connectors. More details for QFS-200-40000 can be seen below.