The NCPG8-2439 from Roswin is a Phase Locked Loop with Frequency 2438.5 MHz, Phase Noise -139 to -76 dBc/Hz, Output Power 6 dBm, Harmonic Suppression -35 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for NCPG8-2439 can be seen below.