The 8520-series from Crane Aerospace & Electronics is a Phase Locked Loop with Frequency 0.75 to 6 GHz, Phase Noise -133 to -50 dBc/Hz, Output Power 10 dBm, Harmonic Suppression -25 dBc, Operating Temperature -20 to 70 Degree C. Tags: Module with Connectors. More details for 8520-series can be seen below.