The QMS27 from Qualwave is a RF Switch with Frequency DC to 4 GHz, Insertion Loss 0.3 to 0.4 dB, Isolation 60 to 70 dB, Supply Voltage 12 to 28 V, Supply Current 110 to 310 mA. Tags: Module with Connectors, Electro-Mechanical. More details for QMS27 can be seen below.