The NCPM1-336 from Roswin is a Phase Locked Loop with Frequency 319 to 353 MHz, Phase Noise -150 to -78 dBc/Hz, Output Power 2 dBm, Harmonic Suppression -22 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPM1-336 can be seen below.