The RPLO-D-4.0-40.0GHz from Raditek is a Phase Locked Oscillator with Frequency 3.991 to 40 GHz, Output Power 3 to 16 dBm, Frequency Stability ±0.5 ppm, Supply Voltage 11.4 to 12.6 V. Tags: PLXO. More details for RPLO-D-4.0-40.0GHz can be seen below.