Briefing: Show HN: Red Grid Link – peer-to-peer team tracking over Bluetooth, no servers

Launched on March 20, 2026, Red Grid Link is designed specifically for backcountry trips where cellular connectivity is unreliable or non-existent.

This system eliminates the need for traditional communication devices like Garmin radios, providing a cost-effective alternative for outdoor enthusiasts.

By utilizing Bluetooth technology, Red Grid Link facilitates direct peer-to-peer communication among team members, ensuring that location information is shared without the need for server infrastructure.