Your private hotspot of maps, Wikipedia, videos, eBooks, and much more.

What's Inside

16 modules organized into four categories — every reference you'd want offline.

Reference Library

Knowledge Base


  • Wikipedia (English)
    Over 7 million articles and images. Searchable and browsable just like the real site.
  • Project Gutenberg
    60,000 eBooks across 300+ categories — classics, non-fiction, children's books, and more.
  • TED Talks
    Curated videos on farming and extreme weather.
  • WikiHow
    90,000+ how-to guides, from finding shelter to wiring a house.
  • Stack Exchange Q&A
    Thousands of searchable questions on sustainable living and the outdoors.
Survival & Emergency

Crisis Response


  • Ready.gov / FEMA
    Disaster planning for biohazards, weather events, mass attacks, home fires, and more.
  • Medical Wikis & Guides
    50,000+ articles from the National Library of Medicine, MedlinePlus, and surgical/first-aid guides.
  • Survival Bookshelf
    Military survival manuals, hunting and trapping, foraging, post-disaster cooking.
  • Ky Furneaux Field Guides
    Fortifying your home, finding water, signaling, rescue - from the renowned survival expert (Discovery, MTV, Marvel).
  • Prepper Disk Exclusives
    Original eBooks: livestock for survival, woodland survival, emergency communication.
Comms & Signaling

Communication


  • RepeaterBook (HAM)
    Searchable amateur radio repeater data for the US and Canada.
  • Morse Code DecoderNew
    Decodes and translates Morse with audio and visual signal output.
  • Emergency Phrase TranslatorNew
    200+ emergency phrases across English, Spanish, French, Italian, German, Russian.
Navigation & Utility

Maps & Tools


  • World Street Maps
    North America, Europe, and Oceania street maps with satellite imagery.
  • National Park MapsNew
    Official trail maps for all 63 US National Parks.
  • iFixit Repair Guides
    Professional-grade repair instructions for autos, electronics, and home appliances.
  • USB File Hosting
    Host your own files by connecting any USB storage device.
Fully updatable through our web interface — replace content when new versions are published via the included console, at no cost.

Technical Specifications

Hardware, warranty, and accessories.

The Device

Raspberry Pi 4B with 2GB of RAM

512GB premium SD memory card

Rugged aluminum alloy case with passive cooling

3.5" L × 2.75" W × 1" H

Warranty

Every device comes with a one (1) year no-nonsense warranty.

Optional Accessories

Faraday Defense bag for EMP protection

Portable Battery (10 hours of continuous use)

10L GoDark EMP Dry bag

Already have a Raspberry Pi? We sell a software-only option.

All Prepper Disk content is licensed, open source, or public domain and is scaffolded in our custom software based on the rugged Internet-in-a-Box. Please be sure you've read our Terms of Use before buying your Prepper Disk.