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Phone Line Cut with a GSM back up Transmitting Alarm.

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Uploaded by on May 28, 2009

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Science & Technology

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Standard YouTube License

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Uploader Comments (anthonydacko51)

  • Hi

    The mobile phones used in the design are on the Orange & O2 Cell phone networks in the United kingdom.

    You can use any network in any country as long as the cell phone has one touch dial on it.

    The cell phones I used are Pay as you go so know line rental to pay.

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  • Damn GSM interference, U using at&t or t-mobile

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