The RWPRL1-1556B from Roswin is a Phase Locked Loop with Frequency 1354 to 1754 MHz, Phase Noise 0 to -84 dBc/Hz, Output Power 4 dBm, Harmonic Suppression -20 dBc, Phase Noise at 1 KHz -84 dBc/Hz. Tags: Surface Mount, Integer-N PLL. More details for RWPRL1-1556B can be seen below.