The QMSD2K from Qualwave is a RF Switch with Frequency DC to 40 GHz, Insertion Loss 0.2 to 1.3 dB, Isolation 50 to 70 dB, Supply Voltage 12 to 28 V, Supply Current 180 to 400 mA. Tags: Module with Connectors, Solid State. More details for QMSD2K can be seen below.