Difference Between ADSL and VDSL (with Comparison Chart) - Tech Differences
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NETGEAR Launches Nighthawk AC1900 WiFi VDSL/ADSL Modem Router for Faster Internet Download Speeds and Better Streaming for Movies, Videos and Gaming | Business Wire
Amazon.com: NETGEAR Nighthawk AC1900 VDSL/ADSL Modem Router Certified with CenturyLink - Non-bonded, DSL Internet Only (D7000) : Electronics