The SFS2500W-LF from Z-COMM is a Frequency Synthesizer with Frequency 2500 MHz, Reference Frequency 250 MHz, Output Power 2 to 6 dBm, Harmonics -15 dBc, Spurious -65 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for SFS2500W-LF can be seen below.