The SOP-39301110-KF-E1 from ERAVANT is a Phase Locked Oscillator with Frequency 39 GHz, Output Power 10 dBm, Reference Frequency 10 MHz, Reference Power -3 dBm to 3 dBm, Supply Voltage 12 to 15 V. Tags: Module with Connectors, PLVCO. More details for SOP-39301110-KF-E1 can be seen below.