The K3-7-FI/28 from MCLI is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.20 to 0.5 dB, Supply Voltage 28 V, Supply Current 100 mA, Actuator Voltage 28 Vdc. Tags: Module with Connectors, Electro-Mechanical. More details for K3-7-FI/28 can be seen below.