The 3G5NAJ is a 2.5kW Peak Power Drop in circulator from Renaissance Electronics for S Band Applications from 2.9 to 3.3 GHz. It has an insertion loss of less than 0.6 dB and with return loss and isolation over 19 dB, the circulator is ideal to duplex an antenna with HPA and a receiver. This circulator has been customized to withstand 250W of forward and 150 W of reverse power at the same instance without arcing or corona failures.