Zyxel C4000BZ DSL Modem/Router for CenturyLink/Brightspeed

The C4000BZ is for bonded (2 line) DSL service . not for single line dsl or fiber service. The C4000BZ is tested and certified to run at these speeds* on the CenturyLink? and Brightspeed High-Speed Internet network:Technology Type Tested speedADSL2+ pair bond up to 40 MbpsVDSL pair bond up to 140 MbpsPRODUCT OVERVIEWLeading the next generation of WiFi . the C4000BZ WiFi 6 xDSL Router is powered by the industry's latest WiFi Certified 6 802.11 standard that is up to 3x faster than the previous AC generation of WiFi . with additional data capacities in a dense environment to handle current and future home networks. Lightning-fast WiFi speeds powers ultrasmooth 4K streaming . online gaming . smart home automation . and more.AT A GLANCEGet ultra-fast wireless speeds for better 4K streaming . gaming or video conferencing experience.Up to 3 Gbps Speed - 600+2400 Mbps with 2-stream connectivity?? Networking Optimized Dual-Core Processor Powerful processor boosts wireless . wired and WAN-to-LANperformance? 160MHZ Channel Support*- Doubles the speeds as offered by 80MHz channels to provide gigabit speeds forcompatible mobile devices and laptops? 1024-QAM - 38% increase in data rate compared to 256-QAM 802.11acSupports all ADSL or VDSL profiles up to 17a? One Wi-Fi SSID for the entire home