The DJK-2100 from Synergy Microwave Corporation is a 180 Degree Hybrid Coupler with Frequency 20 MHz to 1 GHz, Average Power 1 W, Coupling 3 dB, Amplitude Balance 0.8 to 1 dB, Phase Balance 3 to 5 Degree. Tags: Module with Connector. More details for DJK-2100 can be seen below.