The WEA728S45G from Weasic Microelectronics is a Frequency Synthesizer with Frequency 7000 to 28000 MHz, Reference Frequency 25 to 250 MHz (input), Harmonics -42 to -26 dBc, Supply Voltage 1.8 V, Current 200 mA. Tags: Surface Mount, PLL Frequency Synthesizer. More details for WEA728S45G can be seen below.