The RFHB04G18GVT from RF-Lambda is a 90 Degree Hybrid Coupler with Frequency 4 to 18 GHz, Average Power 50 W, Insertion Loss 1.65 dB, Isolation 16 dB, Amplitude Balance ± 0.7 dB. Tags: Module with Connectors. More details for RFHB04G18GVT can be seen below.