The M-42-72-92W012-R from Narda-MITEQ is a 90 Degree Hybrid Coupler with Frequency 400 to 700 MHz, Average Power 250 W, Insertion Loss 0.25 dB, Isolation 23 dB, Amplitude Balance ± 0.75 dB. Tags: Drop In. More details for M-42-72-92W012-R can be seen below.