MetroTel Copper network uses copper technology, employing existing twisted-pair lines for cost-effective but distance-limited DSL broadband up to 20 Mb/s in widespread residential and business areas. (Source), (Source)
MetroTel Copper network uses adsl standard, utilizing ADSL2+ standards over twisted-pair for asymmetric downstream speeds up to 24 Mb/s with lower upstream in legacy residential deployments. (Source), (Source),, (Source)