Imiyoboro yoroheje yicyuma U, izwi kandi nkumuyoboro woroheje wicyuma cyangwa imiyoboro yoroheje ya C, ni ibyuma bishyushye bya karubone “U” ifite ibyuma byimbere imbere ya radiyo ikoreshwa cyane mubihimbano rusange, mubikorwa no mubikorwa byubaka.U-shusho cyangwa C-imiterere yimiyoboro yoroheje itanga imbaraga zisumba izindi ninkunga yuburyo iyo umutwaro wumushinga utambitse cyangwa uhagaritse.Imiterere yicyuma cyoroheje U umuyoboro nacyo cyoroshe gukata, gusudira, imiterere na mashini.