Uruziga ruzengurutse ntiruzana itariki yo kurangiriraho yashyizweho kashe ku kirango cyarwo - ariko ntibisobanuye ko ruhoraho. Dukurikije EN 1492-2, igipimo cy’iburayi cyo kuzenguruka, imipaka yimirimo ikora (WLL) hamwe n’umutekano birasobanutse, ariko ubuzima bwa serivisi buterwa nuburyo bukoreshwa. Bamwe mubakora uruganda bagaragaza igihe ntarengwa cyimyaka 10 uhereye kumikoreshereze yambere mubihe byiza.