The WEA615S55S from Weasic Microelectronics is a Frequency Synthesizer with Frequency 5720 to 15040 MHz, Reference Frequency 100 to 200 MHz (input), Harmonics -40 to -25 dBC, Supply Voltage 2.5 V, Current 120 mA. Tags: Surface Mount, PLL Frequency Synthesizer. More details for WEA615S55S can be seen below.