The SEM020-12 from Narda-MITEQ is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.2 dB, Isolation 80 dB, Actuator Voltage 12 V, Actuator Current 275 mA. Tags: Module with Connectors, Electro-Mechanical. More details for SEM020-12 can be seen below.