The ADI520DDT from Admotech is a Drop-in Isolator that operates from 4.4 to 6 GHz. It provides isolation of more than 16 dB, has an insertion loss of less than 0.6 dB, and a VSWR of under 1.38:1. The device can handle up to 30 W of forwarding and 10 W of reverse power. It is available in a module that measures 12.7 x 12.7 x 8 mm.