The 75S-327 from JFW Industries is a RF Switch with Frequency 5 to 1000 MHz, Insertion Loss 1.00 to 1.75 dB, Isolation 55 to 65 dB, Power 10 to 20 dBm, Power 0.01 to 0.1 W. Tags: Module with Connectors, Solid State. More details for 75S-327 can be seen below.