The R3G9NAF from Renaissance Electronics Corporation is a Drop-in circulator that operates from 15 GHz to 16 GHz. It is designed for radar applications and covers the Ku-band frequency range. It has a low insertion loss 0.5 dB and an isolation of over 20 dB. The circulator can handle up to 5 watt of power and has a VSWR of 1.25:1. It is available in a compact 0.5 x 0.5x 0.18 package.