The NCPM1-1640J from Roswin is a Phase Locked Loop with Frequency 1620 to 1660 MHz, Phase Noise -140 to -80 dBc/Hz, Output Power 1.5 dBm, Harmonic Suppression -23 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPM1-1640J can be seen below.