The FH-40001_2_3 from Crane Aerospace & Electronics is a 180 Degree Hybrid Coupler with Frequency 10 to 400 MHz, Average Power 3 W, Phase Balance 2 Degree, Insertion Loss 1.25 dB, Isolation 25 dB. Tags: Module with Connector. More details for FH-40001_2_3 can be seen below.