The D3I8012YMG from DiTom Microwave is a 2-Port Single/Dual Junction Isolator that operates from 8 to 12 GHz. It provides an isolation of more than 22 dB and has an insertion loss of less than 0.4 dB. This isolator can handle an average input power of 25 W, a peak input power of 500 W, and a reflective power of 2 W. It is available in a magnetically shielded module that measures 0.860 x 1.000 x 0.564 inches and has SMA connectors.