The PSA1225AF-LF from Z-COMM is a Frequency Synthesizer with Frequency 1.025 to 1.425 GHz, Step Size 1000 KHz, Reference Frequency 10 MHz, Output Power -3 to 3 dBm, Spurious -75 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for PSA1225AF-LF can be seen below.