The 40-784B-121-E from Pickering Interfaces is a PXI RF Multiplexer with Frequency DC to 18 GHz, Power 50 to 53.42 dBm, Power 100 to 220 W, Frequency range DC to 18 GHz, Max current 1 Amp (Max Carry Current). Tags: Electromechanical Relay. More details for 40-784B-121-E can be seen below.