The S1A0518-50T20 from Clear Microwave, Inc is a RF Switch with Frequency 500 MHz to 18 GHz, Insertion Loss 3.2 dB, Isolation 45 dB, Supply Voltage 5 V, Supply Current 25 mA. Tags: Module with Connectors, Solid State. More details for S1A0518-50T20 can be seen below.