The QMS8ST from Qualwave is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.3 to 0.5 dB, Isolation 60 to 80 dB, Supply Voltage 12 to 28 V, Supply Current 120 to 330 mA. Tags: Module with Connectors, Multi Configuration. More details for QMS8ST can be seen below.