The SFS6800A-LF from Z-COMM is a Frequency Synthesizer with Frequency 6.8 GHz, Reference Frequency 10 MHz, Output Power -3 to 3 dBm, Spurious -65 dBc, Supply Voltage 3 V. Tags: Surface Mount, PLL Frequency Synthesizer. More details for SFS6800A-LF can be seen below.