The PE11S1001 from Pasternack Enterprises Inc is a Frequency Synthesizer with Frequency 5.5 to 10.5 GHz, Step Size 1.2 Hz, Output Power 21 dBm, Harmonics -25 to -20 dBc, Spurious -55 to -45 dBc. Tags: Module with Connectors, PLL Frequency Synthesizer. More details for PE11S1001 can be seen below.