The QCN-19D+ from Mini Circuits is a 90 Degree Hybrid Coupler with Frequency 1100 to 1925 MHz, Average Power 15 W, Insertion Loss 0.4 to 0.9 dB, Isolation 19 to 26 dB, Amplitude Balance 0.4 to 1.1 dB. Tags: Ceramic. More details for QCN-19D+ can be seen below.