#GPON VSOL 4GE+1POTS+1USB+WiFi dual-band XPON HGU ONUHG3221D-4G2S EPON GPON UPDATE 1 year ago #GPON VSOL 4GE+1POTS+1USB+WiFi dual-band XPON HGU ONUHG3221D-4G2S 4GE+1POTS+1USB+WiFi dual-band XPON HGU ONU router is designed for fulfilling FTTH and triple play service demand of fixed network operators