The S3A1011-90T20 from Clear Microwave, Inc is a RF Switch with Frequency 10 to 11 GHz, Insertion Loss 1.4 dB, Isolation 90 dB, Supply Voltage 5 V, Supply Current 75 mA. Tags: Module with Connectors, Solid State. More details for S3A1011-90T20 can be seen below.