The M-71-171-92WS-R from Narda-MITEQ is a 90 Degree Hybrid Coupler with Frequency 70 to 170 MHz, Average Power 250 W, Insertion Loss 0.35 dB, Isolation 20 dB, Amplitude Balance ± 0.75 dB. Tags: Module with Connectors. More details for M-71-171-92WS-R can be seen below.