The NCPC1-1855C from Roswin is a Phase Locked Loop with Frequency 1845 to 1865 MHz, Phase Noise -142 to -71 dBc/Hz, Output Power 5 dBm, Harmonic Suppression -30 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPC1-1855C can be seen below.