The SW(B)403B from BOWEI Integrated Circuits is a RF Switch with Frequency 2 to 8 GHz, Insertion Loss 2.5 to 2.8 dB, Isolation 60 to 65 dB, Power 30 dBm, Power 1 W. Tags: Module with Connectors, Solid State. More details for SW(B)403B can be seen below.