Join by scanning
One QR code. Nobody is added without choosing to join.
Signum gives your club, family or friends one map and chat past the last bar. Everyone joins by scanning a QR code, and positions are shared only inside the group.

A family camp, a club ride, a dozen friends at a lake. People peel off to the creek, the overlook or the car, and nobody is quite sure who went where. In unfamiliar country, that gets old fast.
You can tell everyone to text, but out of range that does nothing.
You want anyone in the group to be able to open a map and see where the rest of the group was last heard.
One QR code. Nobody is added without choosing to join.
Everyone in the group sees last-known positions with their age.
The cars, the campsite, the water. Shared with the group.
Short messages, small photos and a tap to react, with no cell service.
Radios from different makers can still share one group.
Your own waypoints stay yours.



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Demo group in Yosemite Valley. People and messages are for demo purposes.
Pair a compatible radio with the Android app.
One person creates it and shows the QR code.
Each person scans and confirms to join.
Signum is not an emergency service and makes no range promises. Good to know