The M-961-1221-95WB302-R from Narda-MITEQ is a 90 Degree Hybrid Coupler with Frequency 960 MHz to 1.22 GHz, Average Power 500 W, Insertion Loss 0.3 dB, Isolation 18 dB, Amplitude Balance ± 0.5 dB. Tags: Drop In. More details for M-961-1221-95WB302-R can be seen below.