The QMU Series from QuinStar Technology are RF Upconverters that operate from 18 to 110 GHz in seven waveguide bands. These upconverters have an IF Frequency from 1 to 5 GHz, a conversion loss of less than 10 dB, and provide an LO to RF isolation of 30 dB and an LO to IF isolation of 35 dB. They provide a saturated SSB output power of 4 dBm and have a maximum LO + IF power of 20 dBm. They are available in modules with various waveguide interface options.