The PSA2150AF-LF from Z-COMM is a Phase Locked Loop with Frequency 2000 - 2300 MHz, Phase Noise -90 dBc/Hz, Output Power 0 dBm, Harmonic Suppression -20 dBc, Lock Time 100 ms. Tags: Surface Mount, Fractional-N PLL. More details for PSA2150AF-LF can be seen below.