The S3TR-005435E3B from Corech Microwave is a RF Switch with Frequency 0.5 to 43.5 GHz, Insertion Loss 3.5 to 4 dB, Isolation 45 to 55 dB, Power 23.01 dBm, Power 0.2 W. Tags: Module with Connectors, Solid State. More details for S3TR-005435E3B can be seen below.