The QCN-25D+ from Mini Circuits is a 90 Degree Hybrid Coupler with Frequency 1350 to 2450 MHz, Average Power 15 W, Insertion Loss 0.4 to 0.9 dB, Isolation 18 to 25 dB, Amplitude Balance 0.5 to 1.1 dB. Tags: Ceramic. More details for QCN-25D+ can be seen below.