The LFSW50120-50 from Synergy Microwave Corporation is a Frequency Synthesizer with Frequency 500 MHz to 1.2 GHz, Step Size 500 KHz, Reference Frequency 10 MHz, Supply Voltage 5 V, Current 40 to 55 mA. Tags: Surface Mount, PLL Frequency Synthesizer. More details for LFSW50120-50 can be seen below.