Image source: Polar

Polar’s FCC filing hints at new heart rate sensor in the making

Polar Electro Oy has submitted a new device for approval to the Federal Communications Commission. The filing, identified by the FCC ID INW5T, refers to a “Precision Prime 24/7 Optical Heart Rate Sensor 5T,” suggesting the company is preparing to expand its lineup of heart rate monitoring devices.

We haven’t really seen that much new in terms of hardware from the company this year. But that could change soon.

The recent FCC filing is accessible to the public. However, it offers limited details about the device but confirms that it utilises Polar’s proprietary Precision Prime technology.

The inclusion of “24/7” in the product name implies that the device is designed for continuous heart rate monitoring throughout the day and night. This feature would enable users to track not only their exercise metrics but also resting heart rate, sleep patterns, and overall cardiovascular health. Continuous monitoring can provide valuable insights into stress levels, recovery status, and long-term fitness trends.

Essential readingTop fitness trackers and health gadgets

While the filing does not explicitly reveal the form factor of the new sensor, the device could be an updated armband heart rate monitor, akin to Polar’s current Verity Sense or OH1 models. These armband sensors use optical technology and are worn on the upper or lower arm, making them suitable for a variety of sports. Or perhaps it may have something to do with the company’s recent patent for a chest strap for abdominal fat and heart rate monitoring.


A Whoop competitor?

Alternatively, the device might be a new wrist-worn heart rate monitor. However, Polar’s wrist devices typically come in the form of full-featured smartwatches or fitness trackers with displays, such as the Vantage series or the Ignite models. Given that the FCC filing refers to the product as a “sensor” rather than a watch or tracker, an armband seems more likely.

Unless, of course, it’s a Whoop type device. To remind, there is a display-free Polar 360 but that is available for the B2B health market. Could it be that this will now be offered to the general public?

The “5T” designation in the product name remains a point of curiosity. It could indicate the fifth generation of the technology or perhaps reference specific technical advancements incorporated into this model. But it’s unlikely to be the final name of the gadget.

The FCC filing also suggests that the device will include wireless communication capabilities, as it required FCC approval for radio frequency emissions. This likely means the new heart rate sensor will support Bluetooth Low Energy (BLE) and possibly ANT+ connectivity.

As of now, Polar has not made an official announcement regarding the device. The short-term confidentiality clause runs out in February 2025, so the gizmo should see the light of day before that date. FCC filings are a reliable indicator that a product launch is forthcoming, as approval is one of the final steps before commercialization in the United States.

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Marko Maslakovic

Marko founded Gadgets & Wearables in 2014, having worked for more than 15 years in the City of London’s financial district. Since then, he has led the company’s charge to become a leading information source on health and fitness gadgets and wearables.

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