The K4-7-FS/12 from MCLI is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.5 dB, Supply Voltage 12 V, Supply Current 110 mA, Actuator Voltage 12 Vdc. Tags: Module with Connectors, Electro-Mechanical. More details for K4-7-FS/12 can be seen below.