The FCPL3239-10 from Synergy Microwave Corporation is a Frequency Synthesizer with Frequency 320 to 390 MHz, Reference Frequency 10 MHz, Output Power 1 dBm, Supply Voltage 5 V, Current 10 to 30 mA. Tags: Surface Mount, PLL Frequency Synthesizer. More details for FCPL3239-10 can be seen below.