HG643-W yateguwe nka HGU (Home Gateway Unit) mubisubizo bitandukanye bya FTTH;abatwara-urwego FTTH porogaramu itanga serivisi zamakuru.Ishingiye ku buhanga bukuze kandi buhamye, buhendutse-tekinoroji ya XPON.Irashobora guhinduka mu buryo bwikora hamwe na EPON na GPON mugihe igeze kuri EPON OLT cyangwa GPON OLT.Ifite ubwizerwe buhanitse, imiyoborere yoroshye, imiterere ihindagurika hamwe nubwiza bwa serivisi (QoS) byemeza kuzuza imikorere ya tekiniki ya module ya China Telecom EPON CTC3.0.Yubahiriza IEEE802.11n STD, ifata hamwe na 2 × 2 MIMO, igipimo cyo hejuru kigera kuri 300Mbps.Yubahirije byimazeyo amabwiriza ya tekiniki nka ITU-T G.984.x na IEEE802.3ah.Yakozwe naChipet ya ZTE 279127