The FMSN3900 from Fairview Microwave is a Phase Locked Loop with Frequency 35 MHz to 4.4 GHz, Phase Noise -103 dBc/Hz, Output Power -20 to 10 dBm, Harmonic Suppression -18 dBc, Operating Temperature 0 to 55 Degree C. Tags: Connectorized, Integer-N PLL, Fractional-N PLL. More details for FMSN3900 can be seen below.