The NCPC1-745B from Roswin is a Phase Locked Loop with Frequency 735 to 755 MHz, Phase Noise -150 to -79 dBc/Hz, Output Power 5 dBm, Harmonic Suppression -21 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPC1-745B can be seen below.