NgoDisemba 2021, i-IWAVE igunyaze i-Guangdong Communication Company ukuthi yenze ukuhlolwa kokusebenza kwe-FDM-6680.Ukuhlola kufaka phakathi ukusebenza kwe-Rf nokusebenza kokudlulisa, izinga ledatha nokubambezeleka, ibanga lokuxhumana, ikhono lokulwa nokujaha, ikhono lenethiwekhi.