The PSA3500A from Z-COMM is a Frequency Synthesizer with Frequency 3.4 to 3.6 GHz, Step Size 1000 KHz, Reference Frequency 10 MHz, Output Power -3 to 3 dBm, Spurious -70 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for PSA3500A can be seen below.