The 40-784B-003 from Pickering Interfaces is a PXI RF Multiplexer with Frequency DC to 6 GHz, Power 51.76 to 53.42 dBm, Power 150 to 220 W, Frequency range DC to 6 GHz, Max current 1 Amp (Max Carry Current). Tags: Electromechanical Relay. More details for 40-784B-003 can be seen below.