The QCN-5D+ from Mini Circuits is a 90 Degree Hybrid Coupler with Frequency 330 to 580 MHz, Average Power 15 W, Insertion Loss 0.3 to 0.9 dB, Isolation 14 to 20 dB, Amplitude Balance 0.2 to 1.6 dB. Tags: Ceramic. More details for QCN-5D+ can be seen below.