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mPhase Technologies Inc
OTCM: XDSL
  1. mPhase Technologies, Inc. (XDSL) - Yahoo Finance

  2. What is xDSL? - Definition from Techopedia

  3. Digital Subscriber Lines: XDSL, ADSL, SDSL | xDSL | InformIT

  4. People also ask
    xDSL refers to the sum total of digital subscriber line (DSL) technologies. Line-length limitations on DSL signal transmissions from the telephone exchanges speeds have resulted in the many types of DSLs. ADSL and SDSL were the main two categories of DSL.
    Refers collectively to all types of digital subscriber lines, the two main categories being ADSL and SDSL. Two other types of xDSL technologies are High-data-rate DSL (HDSL) and Very high DSL (VDSL). DSL technologies use sophisticated modulation schemes to pack data onto copper wires.
    The term xDSL refers collectively to all types of digital subscriber lines. An xDSL chip is a generic term for all forms of DSL service spanning transmission speeds from 128 kbps to 52 mbps. DSL service connection takes place between equipment of the subscriber and the telephone exchange.
    xDSL connections use frequencies of more than 4000KHz to achieve their great bandwidth. This comes at the expense of attenuation. The two most popular types of line coding, CAP and DMT, use lower frequencies and therefore are able to support longer loops between the user and the phone company. You can see a breakdown of their capacity in Figure 1.
  5. Digital subscriber line - Wikipedia

  6. What is xDSL? | Webopedia

  7. mPhase Technologies Inc (OTCM: XDSL)

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  8. xDSL tutorial and standards update | IEEE Conference Publication