The FMSN3901 from Fairview Microwave is a Phase Locked Loop with Frequency 25 MHz to 6 GHz, Phase Noise -86 dBc/Hz, Output Power -30 to 19 dBm, Harmonic Suppression -34.5 to -10.66 dBc, Operating Temperature 0 to 55 Degree C. Tags: Connectorized, Integer-N PLL, Fractional-N PLL. More details for FMSN3901 can be seen below.