The DBDU0202020230B from Qotana is a Quadplexer with Attenuation 70 to 80 dB, Frequency 2.2 to 2.3 GHz / 2.025 to 2.12 GHz, Frequency1 2.2 to 2.3 GHz, Frequency2 2.025 to 2.12 GHz, Input Power 200 W. Tags: Module with Connectors. More details for DBDU0202020230B can be seen below.