Itumanaho rya Microwave ni itumanaho rikoresha mikoroonde zifite uburebure bwa mm 1 na m 1. Uburebure bw'umuraba wa electromagnetic muri uru ruhererekane rw'umuraba ni hagati ya 300 MHz (0.3 GHz) na 300 GHz. Ku bijyanye n'itumanaho rya mikoroonde
Bitandukanye n'uburyo bugezweho bwo kohereza imiyoboro y'itumanaho nka coaxial cable communication, optique fibre communication na satellite communication, microwave communication ni communication ikoresha micro-onde nk'uburyo butaziguye, kandi ntisaba computer ikomeye. Iyo intera iri hagati y'ingingo ebyiri idakingiye, ishobora gukoreshwa mu kohereza micro-onde. Gukoresha micro-onde mu itumanaho bifite ubushobozi bunini, bwiza kandi bishobora koherezwa kure. Kubwibyo, ni uburyo bw'ingenzi bwo kohereza imiyoboro y'itumanaho y'igihugu, kandi muri rusange ikoreshwa ku miyoboro itandukanye y'itumanaho yihariye.