The STONET DL4480V is a VDSL2 4-in-1 device that combines the functions of high speed VDSL2 modem, 4-port NAT router, VoIP gateway and wireless AC access point. It is designed to provide end-users an one-stop solution to acquiring and sharing high-speed Internet access over wired/wireless network. Supporting the latest VDSL standards, brings with it much higher speed than ADSL2+. It is equipped with the next generation 802.11AC Wi-Fi technology, will offer you simultaneous dual band connection with 900Mbps wireless speeds over the crystal clear 5GHz band and 300Mbps over the 2.4GHz band, ideal for faster downloading, online gaming, Internet calling and HD video streaming. All Gigabit port for WAN/LAN ,compared with the FE port, transmission speed increased by 10 times. With the VoIP function,users can make calls though the Internet and save communication fee. With two USB ports for 3G/4G dongles or USB storage.