The M-225-401-92WS from Narda-MITEQ is a 90 Degree Hybrid Coupler with Frequency 225 to 400 MHz, Average Power 250 W, Insertion Loss 0.4 dB, Isolation 18 dB, Amplitude Balance ± 0.6 dB. Tags: Module with Connectors. More details for M-225-401-92WS can be seen below.