The ADF4355-2 from Analog Devices is a Phase Locked Loop with Frequency 53.125 MHz to 4.4 GHz, Phase Noise -223 to -110 dBc/Hz, Output Power 3 to 8 dBm, Harmonic Suppression -27 to -12 dBc, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Fractional-N PLL, Integer-N PLL. More details for ADF4355-2 can be seen below.