The QFS-50-22600-MS from Qualwave is a Frequency Synthesizer with Frequency 0.05 to 22.6 GHz, Step Size 0.1 Hz, Output Power 4±5 dBm, Harmonics -5 dBc, Spurious -65 to -20 dBc. Tags: Module with Connectors. More details for QFS-50-22600-MS can be seen below.