Off-Grid Texting & Tracking
That Just Works
15 minutes to a private, encrypted mesh cluster.
No frequencies. No config hassle. Strong security.
Why Preppers Choose Blackout Comms
Dead Simple
Flash → Name → Onboard. A family cluster in 15 minutes. No RF knowledge needed.
Built-In Security
Asymmetric encryption, frequency hopping, and digital signatures — automatic and stronger.
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Reliable Local Backup
Texting, location sharing, mesh memory. Works when cell & internet are gone.
Unlike any other civilian mesh system
Learn about mesh memory, frequency hopping, zero touch trust & advanced security
Mesh Memory
Every comm and node in the cluster continuously retains and propagates the last known position, heading, speed, and battery level of every other device — including ones that have powered off [see demo].
Messages are delivered and confirmed with cooperation of the entire cluster. Even devices powered off can receive a message up to 24 hours later.
See it in Action: Tracking through the Woods - with no cell service
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Maps can be downloaded directly to your licensed T-Deck or Pager's SD card for offline use. The Blackout Comms Map Download tool makes it easy.
Optional / Free Companion App
NOT REQUIRED for Blackout Comms to work
Blackout Comms Live
Open source Android app connects via BLE:
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Live map of your entire cluster: active devices in real time, offline devices last known location
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Mesh graph showing RF topology and link quality
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Live traffic monitoring - including unwanted traffic
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Send/receive secure messages
Blackout Comms on T-Deck
Home screen of Blackout Comms on Lilygo T-Deck
See other devices in range
List of all your trusted devices
Home screen of Blackout Comms on Lilygo T-Deck
Blackout Comms on Lilygo Pager
Main menu of Blackout Comms on Lilygo Pager
Location map on Lilygo Pager
Issue remote commands to other trusted devices
Main menu of Blackout Comms on Lilygo Pager
Build Your Own Blackout Comms GO Kit
Your Mobile Base can also store 2 or more messaging devices
Weather-resistant, drop-anywhere, carrying case, doubles as a mobile base
Encrypted, jam-resistant messaging and location sharing Any Time / Anywhere!
Fully set up and tested by us, you just choose devices
Who am I?
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I am Matt Calhoun / Altware Development LLC, based in Indiana
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I work to enable unstoppable private communication any time, anywhere
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My continuing work on Blackout Comms supports this
Your purchase of devices or firmware licenses...
Helps improve the firmware
Allows me to create and host helpful content
Funds testing of the newest antennas, hardware, and techniques, which I share with you
