The CPLL58-1800-1860 from Crystek Corporation is a Phase Locked Loop with Frequency 1.8 to 1.86 GHz, Phase Noise -147 to -80 dBc/Hz, Output Power 6 dBm, Harmonic Suppression -20 to -15 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for CPLL58-1800-1860 can be seen below.