The MDPX-0407CH from Marki Microwave is a Diplexer with Frequency f1 DC to 4 GHz, Frequency f2 7 to 26.5 GHz, Attenuation 25 to 53 dB (Rejection), Attenuation f1 25 to 53 dB, Attenuation f2 25 to 42 dB. Tags: Surface Mount. More details for MDPX-0407CH can be seen below.