The SW802B from BOWEI Integrated Circuits is a RF Switch with Frequency 1 to 4 GHz, Insertion Loss 1.8 to 2.3 dB, Isolation 65 to 70 dB, Supply Voltage -5 to 5 V, Switching Speed 120 ns. Tags: Module with Connectors, Solid State. More details for SW802B can be seen below.