The 12K3S-3/6 from Dow-Key Microwave is a PXI RF Switch with Frequency DC to 26.5 GHz, Current 0.1 to 1 A, Switching Voltage 3.3 to 12 V, Power 30 to 100 W, Power (dBm) 44.77 to 50 dBm. Tags: Relay, RF Multiplexer. More details for 12K3S-3/6 can be seen below.