The SPCL-00734 from K&L Microwave is a Diplexer with Frequency f1 DC to 5.5 GHz, Frequency f2 7 to 40 GHz, Power 1 to 2 W, Attenuation -55 to -50 dB, Attenuation f1 -50 dB. Tags: Module with Connectors, Cavity. More details for SPCL-00734 can be seen below.