The CH-180-1700-2100-50-NF from DETI Microwave is a 180 Degree Hybrid Coupler with Frequency 1.7 to 2.1 GHz, Average Power 50 W, Coupling 3 dB, Amplitude Balance ±0.4 to 0.8 dB, Phase Balance ±5 to 10 Degree. Tags: Module with Connector. More details for CH-180-1700-2100-50-NF can be seen below.