Last updated June 2026 • 15 minute read

ThinkNode M1 shown attached to a backpack using the included lanyard. Compact, lightweight, and designed for off-grid communication.

Quick Facts

✔ No monthly fees or subscriptions

✔ No SIM card required

✔ No internet required

✔ No cell towers required

✔ Works with iPhone & Android phones

✔ Great for camping, hiking, off-roading and emergency preparedness

Communicate Without Cell Service

You're camping in the mountains with your family. Your phone says "No Service." There are no cell towers nearby, no Wi-Fi, and no way to send a text message.

Now imagine you can still message everyone in your group, share your GPS location, and stay connected, all without a cellular network, satellite subscription, or monthly fees.

That's exactly what mesh networking is designed to do.

If you've recently heard about Meshtastic or MeshCore, you're not alone. Interest in these technologies has grown rapidly across Canada as more people discover a simple way to communicate off-grid.

Whether you're camping, hiking, overlanding, hunting, working on a large property, or preparing for emergencies, mesh networking allows compatible devices to pass messages directly between each other over long-range radio. As more users join the network, the coverage can grow right along with it.

This guide explains everything you need to know from how mesh networking works and how far it can communicate, to whether you need the internet, a licence, or a monthly subscription (you don't). We'll also compare Meshtastic and MeshCore, explain the differences, and help you choose the right device for your needs.

What You'll Learn

• What Is Mesh Networking?
• Why Would I Use It?
• What Is Meshtastic?
• What Is MeshCore?
• Meshtastic vs MeshCore
• Do I Need Cell Service?
• Do I Need Internet?
• Does Mesh Networking Use Satellites?
• Are There Monthly Fees?
• Is Mesh Networking Legal in Canada?
• How Far Does Mesh Networking Work?
• Can Other People Read My Messages?
• Choosing Your First Mesh Device
• Frequently Asked Questions

1. What Is Mesh Networking?

Mesh networking is a way for devices to communicate with each other without relying on cell towers, Wi-Fi, or the internet.

Instead of sending every message through a central network, each device communicates directly with other nearby devices. If the person you're trying to reach is too far away, your message can hop through other compatible devices until it reaches its destination. 

Here's what a typical message looks like as it travels across a mesh network:

Think of it like passing a note down a line of people. You don't need to throw the note all the way to the last person. You simply pass it to the next person, who passes it to the next, and so on until it arrives.

One of the first questions people ask is whether those intermediate devices can read your messages. The answer is no. Your messages are encrypted before they leave your device, so while other mesh devices can help pass them along, they cannot read what's inside.

This ability to automatically hop from one device to another is what makes mesh networking so powerful. As more compatible devices join the network, messages can travel farther than any single device could communicate on its own.

This is one of the biggest differences between mesh networking and traditional radios. A conventional radio can only communicate as far as its own signal reaches. A mesh network can extend that range by allowing messages to hop through other devices along the way.

2. Why Would I Use It?

Mesh networking is useful anywhere cell service is unreliable or unavailable. Instead of depending on a cellular network, you create your own communication network using nearby mesh devices.

Some of the most common uses include:

• Camping - Stay in touch with family and friends where there is no cell service.

• Hiking - Keep your group connected, even when you're spread out along the trail.

• Overlanding and Off-Roading - Coordinate vehicles without relying on cellular coverage.

• Emergency Preparedness - Maintain local communication during power outages or network disruptions.

• Large Properties and Farms - Stay connected across your property without monthly service fees.

• Community Mesh Networks - Connect with other local users to build a larger shared network.

Mesh networking isn't designed to replace your cellphone. When cellular service is available, your phone is still the easiest way to communicate.

Where mesh networking shines is when your phone displays "No Service." That's where having your own independent communication network can make all the difference.

3. What Is Meshtastic?

Meshtastic is a free app that allows you to send messages and share your GPS location over a mesh network instead of using cell towers or the internet.

The app connects to a nearby mesh device, such as a ThinkNode M1, using Bluetooth. When you send a message, the device sends it into the mesh network. If needed, your message can automatically hop through other nearby Meshtastic devices until it reaches the person you're trying to contact.

One of the biggest reasons Meshtastic has become so popular is that there are no monthly fees or subscriptions. Once you own a mesh device, you can use the app anywhere a Meshtastic network exists.

Meshtastic is available for both iPhone and Android and supports features such as private messaging, group chats, GPS location sharing, and emergency location broadcasts.

At Signa Systems, we recommend purpose-built devices like the ThinkNode M1 for most beginners because they're ready to use out of the box and require very little setup.

While Meshtastic is the most popular mesh networking app today, it's not the only option. Another app called MeshCore offers a different approach and has been gaining popularity thanks to its simplicity and lightweight design. We'll compare the two in the next section.

4. What Is MeshCore?

MeshCore is another free app that allows you to send messages over a mesh network without relying on cell towers or the internet.

Like Meshtastic, the app connects to a nearby mesh device using Bluetooth. Messages can then hop through other MeshCore devices until they reach their destination.

While both apps solve the same problem, they take different approaches.

Meshtastic offers a wide range of features, including GPS location sharing, maps, telemetry, and support for many different types of hardware. It's the most widely used mesh networking app today and has a large community around the world.

MeshCore focuses on simplicity. It has a clean, lightweight design and is easy to learn, making it a great choice for people who simply want reliable off-grid messaging without a lot of extra features.

At Signa Systems, we support both Meshtastic and MeshCore because each has its strengths. The best choice depends on how you plan to use your mesh network, and we'll compare the two in the next section.

5. Meshtastic vs MeshCore

Both Meshtastic and MeshCore allow you to send messages over a mesh network without relying on cell towers or the internet. Both are free to use, support encrypted messaging, and can automatically hop messages through other devices to extend their range.

The biggest difference is their approach.

Meshtastic is the larger and more established project. It offers a wide range of features, supports many different devices, and has a large community of users around the world.

MeshCore takes a simpler approach. It focuses on fast, reliable messaging with a clean interface that's easy to learn. If your primary goal is staying in touch with friends and family off-grid, many people appreciate its straightforward design.

Which one should you choose?

Choose Meshtastic if you:

• Want access to the largest community.

• Like advanced features such as maps, telemetry, and extensive customization.

• Plan to experiment with different hardware and accessories.

Choose MeshCore if you:

• Want a simple, easy-to-use messaging experience.

• Prefer a clean interface with minimal setup.

• Just want reliable off-grid communication without a lot of extra features.

The good news is that there's no wrong choice. Both apps are excellent examples of mesh networking, and both allow you to communicate without relying on cell service or monthly subscriptions.

6. Do I Need Cell Service?

No. Mesh networking is specifically designed to work without cell service.

Unlike a text message, which is sent through your mobile carrier, messages sent using Meshtastic or MeshCore travel across the mesh network instead. Your phone connects to your nearby mesh device using Bluetooth, and that device sends your message through the network.

As long as there are enough mesh devices within range for your message to hop from one to another, you can continue communicating even when your phone displays "No Service."

This makes mesh networking ideal for places where cellular coverage is limited or unavailable, including:

• Camping

• Hiking trails

• Off-road adventures

• Rural properties

• Farms

• Remote job sites

• Emergency situations where cellular networks are unavailable

It's important to remember that mesh networking is designed for communicating with other people who also have a mesh device. It cannot send messages to regular phone numbers unless additional services are intentionally connected to the network.

The next question most people ask is whether you need an internet connection. Let's look at that next.

7. Do I Need Internet?

No. Once your mesh device is set up, you do not need an internet connection to send messages across the mesh network.

Your phone communicates with your nearby mesh device using Bluetooth. From there, messages travel across the mesh network by hopping between nearby devices until they reach their destination.

This means you can continue communicating even if:

• You're out of cellular coverage.

• There is no Wi-Fi available.

• The internet is unavailable.

The only time you'll typically need an internet connection is when you're first downloading the app, installing updates, or updating your device's firmware. After that, your mesh network can operate completely independently.

This independence is one of the biggest advantages of mesh networking. As long as there are other mesh devices within range, your network continues to operate without relying on any internet provider or cellular network.

The next question people often ask is whether mesh networking uses satellites. The answer might surprise you.

8. Does Mesh Networking Use Satellites?

No. Meshtastic and MeshCore do not use satellites.

Instead, messages travel across the mesh network by hopping from one nearby mesh device to the next until they reach their destination.

Because the network doesn't rely on satellites, there are:

• No satellite subscriptions.

• No satellite messaging fees.

• No need to see the sky or connect to a satellite.

The trade-off is that a mesh network requires other mesh devices within range to pass messages along. In areas where there are very few users, your communication range may be limited to the distance your own device can reach.

As more people use mesh networking, the network becomes larger and messages can travel farther by hopping through additional devices.

In many ways, that's what makes mesh networking unique. Instead of relying on expensive infrastructure like cell towers or satellites, the users themselves help build the network.

9. Are There Monthly Fees?

No. There are no monthly fees or subscriptions required to use Meshtastic or MeshCore.

Once you own a mesh device, you can send messages across the mesh network without paying a cellular provider, internet provider, or subscription service.

The only cost is purchasing your mesh device. After that, there are no ongoing fees to communicate with other people on the mesh network.

This is one of the reasons mesh networking has become so popular with campers, hikers, off-road enthusiasts, and emergency preparedness groups. Unlike satellite communicators or cellular services, there are no recurring costs just to stay connected.

Keep in mind that everyone you communicate with also needs a compatible mesh device. Mesh networking creates its own communication network, so each person who wants to participate needs to be part of that network.

If you're looking for a way to stay connected without worrying about monthly bills, mesh networking is an excellent option.

10. Is Mesh Networking Legal in Canada?

Yes. Mesh networking is legal to use in Canada when you use approved devices that operate within Canadian regulations.

Most mesh devices sold in Canada are designed to operate on licence-free frequencies and within the power limits permitted by Innovation, Science and Economic Development Canada (ISED).

As with any wireless device, it's important to use equipment that complies with Canadian regulations and is configured correctly for use in Canada.

If you purchase your equipment from a Canadian retailer, it should already be configured for the appropriate Canadian frequency plan and settings.

If you're unsure whether a device is suitable for use in Canada, we're always happy to help.

11. How Far Does Mesh Networking Work?

This is one of the most common questions we receive, and the answer is a little different than you might expect.

The distances below refer to one device communicating directly with another, without any messages hopping through the mesh network.

Typical direct communication distances are:

• Dense city: 500 metres to 2 km

• Suburban areas: 1 to 5 km

• Open countryside: 5 to 15 km

• Mountain tops or elevated locations: 50 km or more

However, that's only part of the story.

The real power of mesh networking comes from its ability to hop messages from one device to the next. Every additional device can extend the total distance your message can travel.

Imagine each device can communicate 3 km.

If there are five devices spaced 3 km apart, your message could travel approximately 15 km by hopping through each device.

Add more devices, and your message can continue travelling even farther.

In theory, a large enough mesh network has no practical distance limit. As long as there is an unbroken chain of mesh devices between you and your destination, your message can continue hopping until it reaches the person you're trying to contact.

That's what makes mesh networking fundamentally different from traditional radios. You're not limited by the range of a single device; you're taking advantage of the combined range of the entire network.

12. Can Other People Read My Messages?

This is another question we hear a lot.

While your messages may hop through other people's mesh devices to reach their destination, those devices cannot read your messages. They simply pass the encrypted message along to the next device in the network.

Think of it like handing someone a sealed envelope. They can deliver it to the next person, but they can't see what's written inside.

Unlike text messages sent through a cellular network, your messages aren't routed through a mobile carrier or internet provider. They travel directly across the mesh network between participating devices.

This also means there is no central server storing your conversations. Your messages stay within the mesh network and are delivered directly to the intended recipient.

For the highest level of privacy, both Meshtastic and MeshCore support private encrypted channels, allowing only people with the correct channel key to read those messages.

For most people, this means you can communicate confidently, knowing that other mesh devices helping your message reach its destination cannot read what you've sent.

13. Choosing Your First Mesh Device

If you're just getting started, choosing your first mesh device doesn't have to be complicated.

For most people, we recommend starting with a purpose-built device like the ThinkNode M1. It's compact, easy to set up, and works with both Meshtastic and MeshCore, making it an excellent choice for beginners.

If your goal is simply to stay connected while camping, hiking, off-roading, or during emergencies, a ready-to-use device is usually the best option. You can be up and running in just a few minutes without needing to build or configure anything.

More advanced users may prefer development boards such as the Heltec V4. These are ideal for custom projects, fixed installations, and experimenting with additional hardware, but they typically require more setup and technical knowledge.

The best mesh device is the one that matches how you plan to use it. If you're not sure where to start, we're always happy to help you choose the right option.

Frequently Asked Questions

Can I use an iPhone?

Yes. Both Meshtastic and MeshCore have apps available for iPhone and Android devices.

Do my friends need a mesh device too?

Yes. Everyone who wants to communicate over the mesh network needs their own compatible mesh device.

Can I send messages to a regular phone number?

No. Mesh networking is designed to communicate with other mesh devices, not regular SMS text messages.

Can I make phone calls?

No. Meshtastic and MeshCore are designed for messaging and location sharing, not voice calls.

Can I send photos?

No. Mesh networking is designed for small amounts of data, such as text messages and GPS locations.

Can I use it anywhere in Canada?

Yes. Mesh networking works anywhere your devices can communicate with each other. It doesn't depend on cellular coverage, but communication range depends on terrain and the number of mesh devices nearby.

What happens if I'm the only person with a mesh device?

You can still use your device to learn the app, test features, and communicate with another one of your own devices or public channels. To communicate with other people, they also need a mesh device.

Can I leave a mesh device running at home?

Absolutely. Many people leave a device running at home to help expand the local mesh network or provide coverage in their area.

Do I need a radio licence?

No. The mesh devices sold by Signa Systems are designed to operate on licence-free frequencies in Canada.

Does weather affect mesh networking?

Rain, snow, and fog usually have very little effect. Buildings, hills, trees, and other obstacles typically have a much greater impact on communication range.

Is there a limit to how many people can use the network?

No. There isn't a fixed limit. As more people join the mesh network, the network itself can continue to grow.

Can I use mesh networking in my vehicle?

Yes. Many people install mesh devices in their vehicles for overlanding, road trips, and everyday travel.

Is MeshCore better than Meshtastic?

Neither is objectively better. Meshtastic offers more features and has a larger community, while MeshCore focuses on simplicity and ease of use. The best choice depends on your needs.

I'm still not sure which device is right for me.

That's okay! If you're unsure where to start, contact us and we'll help you choose the right mesh device for your needs.