Bande-ihagarika muyunguruzi ifite ubushobozi bwo guhagarika cyangwa guhuza ibimenyetso muburyo bwihariye bwumurongo, mugihe ibimenyetso hanze yurwo rwego bikomeza kuba mucyo.
Akayunguruzo-guhagarika muyunguruzi gafite inshuro ebyiri zo guhagarika, inshuro nkeya yo kugabanuka hamwe ninshuro ndende yo guhagarika, ikora intera yumurongo witwa "passband".Ibimenyetso murwego rwa passband bizaterwa ahanini nayunguruzo.Guhagarika-gushungura muyunguruzi bigizwe numurongo umwe cyangwa byinshi byitwa "guhagarara" hanze yumurongo wa passband.Ikimenyetso murwego rwo guhagarara cyegeranye cyangwa cyahagaritswe rwose na filteri.