HG643-FW idapangidwa ngati HGU (Home Gateway Unit) munjira zosiyanasiyana za FTTH;chonyamulira-kalasi FTTH ntchito amapereka deta utumiki mwayi.Zimatengera luso la XPON lokhwima komanso lokhazikika, lopanda mtengo.Imatha kusinthana yokha ndi EPON ndi GPON mode ikafika ku EPON OLT kapena GPON OLT.Imatengera kudalirika kwakukulu, kasamalidwe kosavuta, kusinthasintha kwa kasinthidwe ndi khalidwe labwino la utumiki (QoS) zimatsimikizira kukumana ndi luso la gawo la China Telecom EPON CTC3.0.Imagwirizana ndi IEEE802.11n STD, imatengera 2 × 2 MIMO, mlingo wapamwamba kwambiri mpaka 300Mbps.Imagwirizana kwathunthu ndi malamulo aukadaulo monga ITU-T G.984.x ndi IEEE802.3ah.Idapangidwa ndi ZTE chipset 279127.