The QMS12ST from Qualwave is a RF Switch with Frequency DC to 16 GHz, Insertion Loss 0.3 to 0.5 dB, Isolation 50 to 70 dB, Supply Voltage 12 to 28 V, Supply Current 180 to 320 mA. Tags: Module with Connectors, Electro-Mechanical. More details for QMS12ST can be seen below.