The MAFR-000533-000001 from Skyworks is a single junction circulator that operates from 1840 MHz to 2055 MHz. It has an isolation of over 20 dB, an insertion loss of under 0. 25 dB and return loss of more than 20 dB. The device can handle up to 140 W average power and 500 W of peak power. It is available in surface mount package that is designed for automated SMT placement.