The QPDO-E-10-4.5 from Qualwave is a Phase Locked Oscillator with Frequency 4.5 GHz, Output Power 13 dBm, Reference Power 0 to 10 dBm (Input), Reference Frequency 10 MHz, Supply Voltage 12 V. Tags: Module with Connectors, PLDRO. More details for QPDO-E-10-4.5 can be seen below.