The RFHB08G43GVTK from RF-Lambda is a 90 Degree Hybrid Coupler with Frequency 8 to 43.5 GHz, Average Power 20 W, Peak Power 300 W, Insertion Loss 1.6 to 2.0 dB, Isolation 12 to 15 dB. Tags: Module with Connectors. More details for RFHB08G43GVTK can be seen below.