UNCLASSIFIED / PUBLIC RELEASE
PREPARED CITIZEN CORPS
USA / 2025
Project Status Planned Q2 2026
System Type Mesh Radio
License 100% Open Source

SHARD
Decentralized Tactical
Mesh Networking

Resilient communication platform enabling distributed data sharing across field units. Built on the WEAVE protocol for content-addressed, encrypted mesh networking without infrastructure dependencies.

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01 / OVERVIEW

What is SHARD?

SHARD (Secure Handheld Autonomous Radio Device) represents the next generation of tactical communications. Unlike traditional radio systems that rely on centralized infrastructure or line-of-sight repeaters, SHARD creates self-healing mesh networks where every device acts as both client and relay.

Built on the WEAVE protocol foundation, SHARD enables encrypted peer-to-peer communication, content-addressed data synchronization, and automatic network topology optimization. Messages route automatically through available nodes, ensuring communications continue even when individual units are compromised or destroyed. The system supports voice, text, image, and tactical data sharing across distances of 5-10 kilometers per hop.

Protocol
WEAVE Mesh
Gossip-based content addressing with CRDT sync
Range
5-10 km/hop
Automatic multi-hop routing for extended coverage
Encryption
End-to-End
Modern cryptography with forward secrecy
Power
24-48 hours
Field-swappable battery system
02 / USE CASES

Deployment Scenarios

01
Search and Rescue Operations
Maintain team communications in wilderness areas without cellular or radio infrastructure. Share GPS coordinates, status updates, and situational awareness data across distributed search teams.
02
Disaster Response
Deploy resilient communications when traditional infrastructure is damaged or overwhelmed. Network self-heals as responders move through affected areas.
03
Training Exercises
Conduct realistic tactical training with secure communications and real-time coordination. Record and replay exercises for after-action review.
04
Remote Area Operations
Operate in locations without cellular coverage or satellite access. Maintain secure team communications and data synchronization across extended distances through multi-hop routing.

Key Features:

  • Zero infrastructure requirements
  • Automatic network formation and healing
  • Content-addressed data synchronization
  • Offline-first operation with sync when available
  • Forward secrecy and perfect forward secrecy
  • Voice, text, image, and data support
  • Integration with WARLOCK HUD system
  • TAK server bridge for interoperability
03 / TECHNICAL ARCHITECTURE

System Design

SHARD PROTOCOL STACK
SYS-002 / REV-A
Application Layer
Voice / Text / Data
User-facing communication interfaces with offline-first design
Synchronization Layer
WEAVE Protocol
Content-addressed data with CRDT-based conflict resolution
Network Layer
Mesh Routing
Automatic topology discovery and multi-hop routing
Physical Layer
LoRa Radio
Long-range, low-power radio transceivers (433/868/915 MHz)