The RPLO-3-28-IR01ppb-s12 from Raditek is a Phase Locked Oscillator with Frequency 3 to 28 GHz, Frequency Stability ±0.1 ppm, Reference Power 2 to 3 dBm, Supply Voltage 12 to 15 V. Tags: PLXO. More details for RPLO-3-28-IR01ppb-s12 can be seen below.