Model IPP-7004 is a 3-dB 90-deg. hybrid coupler from Innovative Power Products designed to combine two signals from 2.5 to 6.0 GHz at power levels to 100 W CW. It exhibits less than 0.3 dB insertion loss and less than 1.30:1 VSWR and more than 18 dB isolation. The amplitude balance is within +/-0.75 dB while the phase balance is within +/-5 deg. The surface-mount coupler measures 0.56 x 0.20 x 0.10 in.