The R16-SN12T18 from Talent Microwave Inc is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.3 to 0.5 dB, Isolation 60 to 70 dB, Supply Voltage 12 V, Supply Current 290 mA. Tags: Module with Connectors, Electro-Mechanical. More details for R16-SN12T18 can be seen below.