Ia Tesema 2021, IWAVE faʻatagaina Guangdong Communication Company e faia le suʻega faʻatinoga o FDM-6680.O le suʻega e aofia ai le Rf ma le faʻaogaina o le faʻatinoga, faʻamatalaga faʻamaumauga ma le taofiofia, mamao fesoʻotaʻiga, malosi e tetee atu i le jamming, gafatia fesoʻotaiga.