The SW5-040120AI4NM from Narda-MITEQ is a RF Switch with Frequency 4 to 12 GHz, Insertion Loss 2.9 dB, Isolation 65 dB, Supply Current 135 mA, Control Voltage -12, 12 V. Tags: Module with Connectors, Solid State. More details for SW5-040120AI4NM can be seen below.