The PE11S1002 from Pasternack Enterprises Inc is a Frequency Synthesizer with Frequency 2 to 6 GHz, Step Size 0.6 Hz, Output Power 17 dBm, Harmonics -25 to -22 dBc, Spurious -50 to -45 dBc. Tags: Module with Connectors, PLL Frequency Synthesizer. More details for PE11S1002 can be seen below.