The LFSW35105-50 from Synergy Microwave Corporation is a Frequency Synthesizer with Frequency 350 MHz to 1.05 GHz, Step Size 500 KHz, Reference Frequency 10 MHz, Output Power 10 dBm, Supply Voltage 5 V. Tags: Surface Mount, PLL Frequency Synthesizer. More details for LFSW35105-50 can be seen below.