The DBDU0201850199A from Qotana is a Quadplexer with Frequency 1.85 to 1.91 GHz / 1.93 to 1.99 GHz, Frequency1 1.85 to 1.91 GHz, Frequency2 1.93 to 1.99 GHz, Input Power 30 W, Insertion Loss 1.5 to 1.75 dB. Tags: Module with Connectors. More details for DBDU0201850199A can be seen below.