The 50S-1638+XX-TTL from JFW Industries is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.20 to 0.50 dB, Isolation 60 to 80 dB, Power 33.01 to 57 dBm, Power 2 W (Self Terminations) 60 to 500 W. Tags: Module with Connectors, Electro-Mechanical. More details for 50S-1638+XX-TTL can be seen below.