The RWPR1-1854 from Roswin is a Phase Locked Loop with Frequency 1834 to 1874 MHz, Phase Noise -152 to -79 dBc/Hz, Harmonic Suppression -30 dBc, Operating Temperature -40 to 85 Degree C, Phase Noise at 1 KHz -79 dBc/Hz. Tags: Surface Mount, Integer-N PLL. More details for RWPR1-1854 can be seen below.