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 nke zo guca hamwe ninshuro ndende yo guhagarika, bikora intera yumurongo witwa "passband".Ibimenyetso murwego rwa passband bizaterwa ahanini nayunguruzo.Akayunguruzo-guhagarika akayunguruzo kagizwe numurongo umwe cyangwa myinshi yumurongo witwa "guhagarara" hanze yumurongo wa passband.Ikimenyetso murwego rwo guhagarara cyegeranye cyangwa cyahagaritswe rwose na filteri.