The MFSH200400-50 from Synergy Microwave Corporation is a Frequency Synthesizer with Frequency 2 to 4 GHz, Step Size 0.5 KHz, Reference Frequency 10 MHz, Output Power 6 dBm, Supply Voltage 5 to 18 V. Tags: Surface Mount, PLL Frequency Synthesizer. More details for MFSH200400-50 can be seen below.