The 3A4NFB from Renaissance is a Quasi Drop-in Circulator for S Band Space Applications from 2.2 to 2.4 GHz. The circulator has an insertion loss of 0.5 dB and an isolation of 20 dB. The design can handle 75 W over -40 to +95 C. Port 2 has an extended TNC female connector and the other two ports are coplanar drop-in tab style.