The M-13-23-182WS from Narda-MITEQ is a 180 Degree Hybrid Coupler with Frequency 1 to 2 GHz, Average Power 50 W, Amplitude Balance 1 dB, Phase Balance 13 Degree, Insertion Loss 1 dB. Tags: Module with Connector. More details for M-13-23-182WS can be seen below.