The MH-29 from Cobham Signal & Control Solutions is a 180 Degree Hybrid Coupler with Frequency 500 MHz to 1 GHz, Coupling 3 dB, Coupling Variation ±.50 dB, Insertion Loss 0.25 dB, Isolation 20 dB. Tags: Module with Connector. More details for MH-29 can be seen below.