The CH-180-25500-27000-10-KF-C from DETI Microwave is a 180 Degree Hybrid Coupler with Frequency 25.5 to 27 GHz, Average Power 10 W, Coupling 3 dB, Coupling Variation ±0.3 dB, Amplitude Balance ±0.3 dB. Tags: Module with Connector. More details for CH-180-25500-27000-10-KF-C can be seen below.