The SFS3000R-LF from Z-COMM is a Frequency Synthesizer with Frequency 3000 MHz, Reference Frequency 20 MHz, Output Power 4 to 8 dBm, Harmonics -10 dBc, Spurious -70 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for SFS3000R-LF can be seen below.