Madzi otsika pachimake osabalalitsa kusamutsidwa single-mode CHIKWANGWANI ndi oyenera kufala dongosolo lonse gulu 1280nm ~ 1625nm, amene osati amasunga otsika kubalalitsidwa chikhalidwe gulu 1310nm, komanso ali ndi imfa otsika pa 1383nm, kupanga E band. (1360nm ~ 1460nm) yogwiritsidwa ntchito mokwanira.Kutayika ndi kubalalitsidwa kwa gulu lonselo kuchokera ku 1260nm kupita ku 1625nm kumakongoletsedwa, ndipo kutayika kopindika kwa 1625nm wavelength kumachepetsedwa, komwe kumapereka zothandizira bandwidth kwa network ya msana, MAN ndi netiweki yofikira.