The SW8-040120RN4HM from Narda-MITEQ is a RF Switch with Frequency 4 to 12 GHz, Insertion Loss 2.7 dB, Isolation 65 dB, Supply Current 215 mA, Control Voltage -12, 12 V. Tags: Module with Connectors, Solid State. More details for SW8-040120RN4HM can be seen below.