The M-51-111-92W802 from Narda-MITEQ is a 90 Degree Hybrid Coupler with Frequency 50 to 110 MHz, Average Power 250 W, Insertion Loss 0.3 dB, Isolation 22 dB, Amplitude Balance ± 0.75 dB. Tags: Drop In. More details for M-51-111-92W802 can be seen below.