Signal Beacon Hardware

Open-source satellite distress transponders, multi-hop mesh node radios, and emergency wilderness telemetry devices.

Opentrail Sentinel Alpha satellite emergency tracker device on hiking pack
Flagship Satellite Unit

Sentinel Alpha Beacon

$249.00 USD

Dual-band satellite emergency transponder with integrated GPS/GLONASS receiver and physical mechanical distress trigger switch.

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Opentrail Relay Mesh Node rugged off-grid tracker
Mesh Network Node

TrailRelay LoRa Node V2

$119.00 USD

High-gain sub-GHz long range transceiver designed to relay positional packets between expedition members across 30km+ terrain.

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Opentrail Alpine Compact Emergency Ping Receiver
SAR Team Gear

Alpine Ping Transceiver

$189.00 USD

Search and rescue directional telemetry reader for detecting distress pings in high-altitude zero-visibility snow conditions.

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