The 75S-401 from JFW Industries is a RF Switch with Frequency DC to 2150 MHz, Insertion Loss 0.75 to 1.0 dB, Isolation 45 to 50 dB, Power 20 dBm, Power 0.1 w. Tags: Module with Connectors, Electro-Mechanical. More details for 75S-401 can be seen below.