Cambridge Community Mesh Network (CCMN)

Off-Grid Communication for Greater Boston

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What is Cambridge Community Mesh Network?

The Cambridge Community Mesh Network (CCMN) is a volunteer-led, open community project focused on building a secure and reliable off-grid communication network throughout Cambridge, Boston, Medford, Somerville, Arlington, Concord, and surrounding areas — powered by MeshCore.

What is MeshCore?

MeshCore is a multi-platform system for enabling secure text-based communications utilizing LoRa radio hardware. It can be used for Off-Grid Communication, Emergency Response & Disaster Recovery, Outdoor Activities, Tactical Security including law enforcement, private security and also IoT sensor networks. Learn more about MeshCore →

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Off-Grid Communication

Reliable text messaging without internet or cellular networks

"Decentralised Network: No reliance on traditional infrastructure."

🚨

Emergency Response

Critical communications during disasters and emergencies

"Long-Range Communication: Utilize LoRa radio technology for long-range connectivity without using the Internet."

🔒

Secure
Messaging

Encrypted communications for tactical and security applications

"Security First: All communications are encrypted for your privacy."

🏔️

Outdoor
Activities

Stay connected during hiking, camping, and outdoor adventures

"Flexible Integration: Easily integrates with off the shelf IoT devices and sensors."

Active Repeater Stations

Network Coverage Map

Join the Network

MeshCore Radio Settings

Preset: USA/Canada (Recommended)
Frequency: 910.525 MHz
Bandwidth: 62.5 kHz
Spreading Factor: 7
Coding Rate: 5

Getting Started

  1. Obtain compatible LoRa hardware:
    • • Station G2 - Best and most powerful Base/Home Repeater (or client) - 20W input power
    • • Nano G2 Ultra - (recommended!) Most powerful "no external antenna" client/great for in-pocket (5 days of battery)
    • • Wio Tracker L1 Pro-E - Rugged powerful "all around" $45 client, rugged (5 days battery)
    • • WisMesh Tag-E - (recommended!) Credit card-sized, very powerful directional client, for hiking/travel/IP66 waterproof (~5 days of battery)
    • • RAKWireless WisBlock Mini - Low powered Serial nodes, Solar nodes, Bots/Automation
  2. Install MeshCore firmware: MeshCore Flasher
  3. Configure radio settings (see Radio Settings)
  4. Join the network!

MeshCore Channel

Boston Area Mesh Planning:

0d187c4a636a02f4ef3bd1fb34f6c817

This is the dedicated channel for the Greater Boston mesh network planning and coordination.

Discord Server:

discord.gg/7kEzKkZ9