The 994-037918-008 from M2 Global Technology is a Single Junction Coaxial Circulator that operates from 13.9 to 14.6 GHz. It can handle up to 200 Watts of power and has an insertion loss of 0.4 dB. The circulator is available in a module with Female SMA Connectors and measures 0.62 x 0.69 x 0.63 Inches.