The FSW511-50 from Synergy Microwave Corporation is a Frequency Synthesizer with Frequency 50 to 115 MHz, Step Size 500 KHz, Reference Frequency 10 KHz, Output Power 6 dBm, Supply Voltage 5 to 15 V. Tags: Surface Mount, PLL Frequency Synthesizer. More details for FSW511-50 can be seen below.