The S4TR-008180E4B from Corech Microwave is a RF Switch with Frequency 0.8 to 18 GHz, Insertion Loss 2.6 to 3.3 dB, Isolation 75 to 85 dB, Power 30 dBm, Power 1 W. Tags: Module with Connectors, Solid State. More details for S4TR-008180E4B can be seen below.