The QMSD2N from Qualwave is a RF Switch with Frequency DC to 12.4 GHz, Insertion Loss 0.2 to 0.5 dB, Isolation 50 to 80 dB, Supply Voltage 12 to 28 V, Supply Current 180 to 550 mA. Tags: Module with Connectors, Solid State. More details for QMSD2N can be seen below.