A mesh network is an arrangement where devices connect directly to each other rather than to a centre. It sounds technical, but the idea is remarkably simple: everyone both talks and carries what others said.
The networks we are used to look towards a centre
The mobile network your phone connects to is, as the name suggests, built around a centre. Devices do not talk to each other, they talk to the nearest base station. Even if two people are standing side by side, their messages travel up to the tower and back down.
That arrangement has a big advantage in everyday life: one tower serves hundreds of people and the system is managed centrally. But the same arrangement brings a single weak point with it. If the tower goes down, everyone attached to it falls silent at the same moment. Even two people standing next to each other cannot reach one another.
A mesh network exists precisely to remove that dependency.
In a mesh, everyone both talks and carries
A mesh network has no centre. Every device does two jobs: it sends its own messages, and it carries other people's.
So your teammate's device moves your message one step further without them noticing. Their device hands it to the next one. The message hops from device to device until it reaches its destination.
This is usually called hopping. Two people who are not within direct range of each other can communicate thanks to a third person in between.
A system that gets stronger as it gets busier
In a centralised network, the tower gets congested as the number of users grows. In a mesh the opposite happens: every device that joins is a new carrying point, so both the coverage and the number of alternative paths increase.
Here is what that means in practice. A single BosMag reaches up to 5 kilometres in open terrain. As the team spreads out, that distance is not capped by one device's range; every device in between extends the chain. Wherever the team goes, the network grows in that direction.
What happens if a device drops out?
In a centralised network, if the tower goes down there is no alternative. In a mesh there is usually more than one path a message can take. If a device runs out of battery or moves out of range, the message travels around through another neighbour.
That is why mesh networks are not easily affected by a single failure. The resilience of the system depends not on how sturdy one device is, but on how many paths exist between devices.
Where are the limits?
A mesh network is not a magic solution, and it has two real limits.
First, without anyone in between there is no hop. A message will not reach a person who has fallen far behind the team unless some device fills the gap. Second, radio frequency does not carry unlimited data. The mesh is designed to carry written messages, locations and status information, not video streams.
When a gap in range needs closing, a solar-powered BosBase relay station goes in between. With its larger antenna it provides coverage up to 20 kilometres and links two distant groups together.
Frequently asked questions
Is a mesh network the same as Wi-Fi or Bluetooth?
No. Wi-Fi and Bluetooth are short-range links that generally connect one device to another. In a mesh, devices also carry each other's messages, so two people who are not within direct range can communicate through the devices in between. In BosNets, the short link between phone and device uses Bluetooth, while the long distance between devices uses radio frequency.
How many devices can join the network?
A mesh grows stronger in coverage and alternative paths as more devices join. In practice the limit is set less by the number of devices than by the terrain and how far apart the devices are.
If my message passes through someone else's device, can they read it?
No. All communication is end-to-end encrypted. A device in between only carries the message; it cannot open the contents.
Does the mesh shut down when internet is available?
It does not. The system uses both paths together. Where there is coverage, messages travel over the internet and the range limit disappears; when coverage runs out, the mesh takes over. The switch is automatic.