The NCPM1-373J from Roswin is a Phase Locked Loop with Frequency 358 to 388.85 MHz, Phase Noise -154 to -83 dBc/Hz, Output Power 2 dBm, Harmonic Suppression -21 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPM1-373J can be seen below.