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Protern.io Sensor

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Protern.io Sensor

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Protern.io Sensor is for sports that demand the most accurate speed, time and position data. Alpine Skiing and Ski Cross athletes are some of the most popular users of the Protern.io Sensor.

A subscription to Protern.io is required to download the data and analyze the results. 

Protern.io's high speed high-accuracy GPS sensor records accurate time and speed data 10 times a second. Weighing only 35 grams and lasting 6 hours on a single charge, this sensor gets the job done. We recommend one sensor for every athlete.

Product focus

  • 10X more detail

    Collecting data at 10 times a second, the Protern.io Sensor provides 10X more precision than a sport watch and 20-50X more than a phone.

  • Light weight

    Weighing only 35 grams, it won't impact your performance. In fact, you will probably forget you have it on.

  • Highly accurate

    Using the latest GPS technology, the Protern.io sensor provides speed accurate to 0.5km/h and time accuracy up to 0.04s.

  • Fast access to data

    Sync via Bluetooth with the Protern.io Sync App for instant access to your data, or upload via the USB at the end of the day.

Technical specifications

  • Sensor Statistics

    Satellite constellations: GPS, Galileo, BeiDou, GLONASS
    Concurrent satellite connections: 72
    Measurement frequency: 10 hz
    Speed accuracy: 0.5 km/h
    Time: 0.04s
    Relative position: 30cm

  • Size and Weight

    Weight: 35 grams (1.2 ounces)
    Size: 65 x 35 x 15 mm (2.5 x 1.4 x 0.6 inches)

  • Battery and Recording

    Battery: 6 hours of recording
    Charging: 1 hour via USB
    Internal memory: 350 hours of data

  • Data Upload

    Bluetooth data sync*: Protern Sync (Android, iOS coming soon)
    USB data sync*: Protern web app

    *Subscription to Protern.io required