The BL-7/NF from MCLI is a 90 Degree Hybrid Coupler with Frequency 100 to 200 MHz, Insertion Loss 0.6 dB, Isolation 20 dB, Amplitude Balance ±0.8 dB, Phase Balance ±3 Degree. Tags: Module with Connectors, Octave Band. More details for BL-7/NF can be seen below.