The RWPR1-1890 from Roswin is a Phase Locked Loop with Frequency 1890.25 to 1890.25 MHz, Phase Noise -152 to -79 dBc/Hz, Output Power 5 dBm, Harmonic Suppression -28 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Integer-N PLL. More details for RWPR1-1890 can be seen below.