The S4TR-008300E4B from Corech Microwave is a RF Switch with Frequency 0.8 to 30 GHz, Insertion Loss 4 to 4.5 dB, Isolation 60 to 70 dB, Power 23.01 dBm, Power 0.2 W. Tags: Module with Connectors, Solid State. More details for S4TR-008300E4B can be seen below.