The MH-24 from CAES is a 180 Degree Hybrid Coupler with Frequency 250 to 500 MHz, Coupling 3 +0.25/-0 dB, Coupling Variation ±0.50 dB, Phase Balance ±4 Degrees, Insertion Loss 0.25 dB. Tags: Module with Connector. More details for MH-24 can be seen below.