The WHC0405A from Wavelex is a 90 Degree Hybrid Coupler with Frequency 380 to 520 MHz, Average Power 10 W, Insertion Loss 0.2 to 0.7 dB, Isolation 20 dB, Amplitude Balance ± 0.2 to 0.8 dB. Tags: Module with Connectors. More details for WHC0405A can be seen below.
