The HMI12-387-73.5-5.0 from HXI is an isolator that operates from 71 to 76 GHz. This ferrite based junction isolator provides an isolation of over 19 dB with an insertion loss of less than 1 dB. It can handle up to 0.5 Watts of power with a VSWR of 1.5:1. This isolator has been specifically designed for the matching and protection of E-band radios, radars and testing systems. It has a WR-12, UG-387/U waveguide interface.