The FSW170280-50 from Synergy Microwave Corporation is a Frequency Synthesizer with Frequency 1.7 to 2.8 GHz, Step Size 500 KHz, Reference Frequency 10 MHz, Output Power 4 dBm, Supply Voltage 5 to 15 V. Tags: Surface Mount, PLL Frequency Synthesizer. More details for FSW170280-50 can be seen below.