The CPLL66-4240-4240 from Crystek Corporation is a Phase Locked Loop with Frequency DC to 4240 MHz, Phase Noise -135 to -70 dBc/Hz, Output Power 6 dBm, Harmonic Suppression -15 to -10 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for CPLL66-4240-4240 can be seen below.