The SOP-20310110-SF-BB-2 from ERAVANT is a Phase Locked Oscillator with Frequency 19.4 GHz, Frequency Stability ±5 ppm, Output Power 10 dBm, Reference Frequency 10 MHz, 100 MHz, Reference Power -3 to 3 dBm. Tags: Module with Connectors, PLDRO. More details for SOP-20310110-SF-BB-2 can be seen below.