“is a built in battery backup available for this modem ?”

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• This device has no battery backup built in. I'm using an external 12v UPS (12v in/12vout) that's small enough to fit into the cabinet with the cable modem. Try googling for 12v ups router.

  Answered by Mike 5 years ago

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• Yes I saw had one available when researching before I purchased

  Answered by Jam2018 5 years ago

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