The QPDO-I-100-20.2 from Qualwave is a Phase Locked Oscillator with Frequency 20.2 GHz, Output Power 0 to 5 dBm, Frequency Stability ±0.1 ppm, Reference Frequency 100 MHz, Supply Voltage 12 V. Tags: Module with Connectors, PLDRO. More details for QPDO-I-100-20.2 can be seen below.