The DBHB9000450090A from Qotana is a 90 Degree Hybrid Coupler with Frequency 450 to 900 MHz, Average Power 50 W, Peak Power 1 kW, Insertion Loss 0.2 to 0.3 dB, Isolation 20 to 22 dB. Tags: Module with Connectors. More details for DBHB9000450090A can be seen below.