The SW1-005040AN3NF from Narda-MITEQ is a RF Switch with Frequency 500 MHz to 4 GHz, Insertion Loss 1.5 dB, Isolation 60 dB, Supply Current 35 to 70 mA, Control Voltage -15, 5 V. Tags: Module with Connectors, Solid State. More details for SW1-005040AN3NF can be seen below.