The QMSD3S from Qualwave is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.2 to 0.4 dB, Isolation 60 to 70 dB, Supply Voltage 12 to 28 V, Supply Current 170 to 400 mA. Tags: Module with Connectors, Solid State. More details for QMSD3S can be seen below.