The NCPC1-2045B from Roswin is a Phase Locked Loop with Frequency 2035 to 2055 MHz, Phase Noise -140 to -71 dBc/Hz, Output Power 5 dBm, Harmonic Suppression -31 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPC1-2045B can be seen below.