Wednesday, August 15, 2007

Startup hopes chipsets will expand reach of DSL

Digital Subscriber Line (DSL) over copper is notoriously underpowered, only able to travel reliably no more than 14,000 feet from a telephone switch to subscriber, with throughput speeds degrading as the distance increases.

A Denver-based startup, Xtendwave, has gotten $10 million in private funding to develop computer chipsets for DSL modems and terminals that the company hopes will push the distance limit out to more than 20,000 feet. If the technology proves feasible, it could provide a boost to telcos that have literally hit the wall with DSL and have reportedly all but halted further DSL deployments since extending the service beyond existing footprints requires them to make extensive investments to upgrade their infrastructures.

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