The NCPM1-1377 from Roswin is a Phase Locked Loop with Frequency 1357 to 1397 MHz, Phase Noise -143 to -73 dBc/Hz, Output Power 2 dBm, Harmonic Suppression -25 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPM1-1377 can be seen below.