The 8500-series from Crane Aerospace & Electronics is a Phase Locked Loop with Frequency 0.75 to 6 GHz, Output Power 10 dBm, Harmonic Suppression -25 dBc, Operating Temperature -20 to 70 Degree C, PLL Current 350 mA. Tags: Module with Connectors. More details for 8500-series can be seen below.