The DBMU0400690215A from Qotana is a Multiplexer with Frequency 698 to 806 MHz / 824 to 894 MHz / 1850 to 2000 MHz / 1710 to 1755 MHz & 2110 to 2155 MHz, Insertion Loss 0.4 to 0.7 dB, Isolation 45 dB, Power handling 20 W, Return Loss 18 to 20 dB. Tags: Module with Connectors. More details for DBMU0400690215A can be seen below.