The 40-785C-451-E from Pickering Interfaces is a PXI RF Multiplexer with Frequency DC to 50 GHz, Power 34.77 to 46.02 dBm, Power 3 to 40 W, Frequency range DC to 50 GHz, Max current 1 Amp (Max Carry Current). Tags: Electromechanical Relay. More details for 40-785C-451-E can be seen below.