The FSW40110-50 from Synergy Microwave Corporation is a Frequency Synthesizer with Frequency 400 MHz to 1.1 GHz, Step Size 500 KHz, Reference Frequency 10 MHz, Supply Voltage 5 to 25 V, Current 10 to 45 mA. Tags: Surface Mount, PLL Frequency Synthesizer. More details for FSW40110-50 can be seen below.