The 50S-1971 from JFW Industries is a RF Switch with Frequency 5 to 3000 MHz, Insertion Loss 2.5 to 3.5 dB, Isolation 60 to 80 dB, Power 10 to 30 dBm, Power 0.01 to 1 W. Tags: Module with Connectors, Solid State. More details for 50S-1971 can be seen below.