The PSA2150AF-LF from Z-COMM is a Frequency Synthesizer with Frequency 2 to 2.3 GHz, Step Size 1000 KHz, Reference Frequency 10 MHz, Output Power 0 to 10 dBm, Spurious -65 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for PSA2150AF-LF can be seen below.