The NCPS3-873 from Roswin is a Phase Locked Loop with Frequency 864 to 882 MHz, Phase Noise -149 to -85 dBc/Hz, Output Power 3 dBm, Harmonic Suppression -10 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for NCPS3-873 can be seen below.