The SFS0863C-LF from Z-COMM is a Frequency Synthesizer with Frequency 863.5 MHz, Reference Frequency 40 MHz, Output Power -2 to 2 dBm, Spurious -70 dBc, Supply Voltage 3 V. Tags: Surface Mount, PLL Frequency Synthesizer. More details for SFS0863C-LF can be seen below.