The HL-14/NF from MCLI is a 90 Degree Hybrid Coupler with Frequency 449.5 to 450.5 MHz, Insertion Loss 0.5 dB, Isolation 20 dB, Amplitude Balance ±0.5 dB, Phase Balance ±3 Degree. Tags: Module with Connectors. More details for HL-14/NF can be seen below.