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  • Field Phone Communication Project
    The Field Phone project is your own personal telephone company! This project allows you to use normal wired telephones for communication within and between buildings and shelters, either for everyday convenience or for security in a crisis when the normal telephone system might not be available.
    8 Topics
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    Last post Re: Field Phone Concept
    by softbaugh View the latest post
    Wed Oct 26, 2016 1:35 am
  • Security
    Niche security products, including drop-in upgrades for sirens and lights at a fraction of the cost of competing products in the same performance class. The Dante Nonlethal Intruder Deterrent provides a disorienting spread-spectrum pain field, while the Dante Strobe produces additional disorientation.
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  • Off-Grid Energy
    This forum is dedicated to the advancement of off-grid energy projects, with a focus on solar as these systems typically form the backbone of any off-grid energy system. Because of changes in technology and the relative pricing of solar and other off-grid components, the old assumptions for designing off-grid energy systems no longer apply. This forum provides tips and links to up-to-date resources and calculators to help you optimize your system for the most cost-effective and reliable solutions.
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