The SW4-030090RN1NF from Narda-MITEQ is a RF Switch with Frequency 3 to 9 GHz, Insertion Loss 2 dB, Isolation 60 dB, Supply Current 100 mA, Control Voltage -12, 5 V. Tags: Module with Connectors, Solid State. More details for SW4-030090RN1NF can be seen below.