The D15G19G1 from Microwave Circuits is a Diplexer with Frequency f1 15 to 16.5 GHz, Frequency f2 17.5 to 19 GHz, Attenuation 50 to 55 dBc, Attenuation f1 50 dBc, Attenuation f2 55 dBC. Tags: Module with Connectors. More details for D15G19G1 can be seen below.