You can use Frontier X in one of three ways during exercise. The default way is by pairing it to the iOS or Android smartphone app and starting and stopping workouts from there. The device uses Bluetooth to communicate with its surroundings so there is no ANT+ support. Or you can use Frontier X on its own and then sync everything to the smartphone afterwards. You can use it to supplement the stats that you typically get from your sports watch with additional insights. Is your exercise intensity causing undue strain to your heart and lungs? Can you push harder? Frontier X will give you this type of information. If you don’t want to view real-time stats, you can leave your phone behind while exercising. Simply start and end the session by pressing the button on the device itself. Everything will be stored on the onboard memory. I often exercise with an external heart rate monitor paired to my sports watch. As good as wrist based heart rate monitors have become, they are still not on par with chest straps or arm bands when it comes to accuracy. This is particularly the case with high intensity exercises.

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If you are purely looking for heart rate information – a normal heart rate chest strap is the better option. It costs less and captures heart rate with a higher sampling rate.One press of the button switches the unit on. Two presses start and end an activity. You can also use the button to log event markers during exercise. Since the Frontier X2 is positioned close to the heart, it can sense tiny changes like the opening and closing of the heart valves. This opens up the door to measuring PEP, LVET, LVEF and various other haemodynamic parameters which a wrist watch would never be able to measure. The device itself appears to be quite accurate at rest or during sleep. The live ECG shows clearly visible premature contractions coinciding with felt palpitations and you can easily tell whether they’re of ventricular or atrial origin. That shows me that it is clearly not recording fantasy data, but your real cardiac activity. It also accurately diagnosed episodes of atrial fibrillation. Those details are also visible when moving, but the overall ECG will show noise from movement artefacts, so that the ECGs are not so useful to identify details beyond heart rate & rhythm. At least I haven't yet found a way to interpret them otherwise. Moreover, sharing this data with healthcare providers or even with friends and family for those shared moments has been a breeze. It makes conversations and consultations more insightful and productive.

Frontier | 15. Connecting the Frontier X/X2 Support - Fourth Frontier | 15. Connecting the Frontier X/X2

The device promises a lot, but does it deliver? Read on what I’ve made of it after a couple of weeks of use. B). If not needed, the Heart Rate recorded and transmitted from the Frontier X/X2 will show up after a few seconds automatically. As far as battery life, on a full charge you can expect around a day if Frontier X is used continuously. Which might not sound like a lot. But, most people are likely to use it from time to time – primarily as a chest strap while exercising. Taking that into account, the typical user will only need to reach for a charger once every two weeks.Fourth Frontier places special importance on breathing rate. The company believes that this metric is just as important as your heart rate during exercise. While that might be up for debate, most would agree on the importance of heart info. And this is where Cardiac Strain comes in. That’s because Frontier X goes way beyond what any other chest band can do. I’d say it sits somewhere between a sports and a health wearable. Also, it would be nice to be able to view, in real-time, more than just heart rate on connected Garmin watches during exercise (via a ConnectIQ app / data field). Frontier X is already transmitting heart rate information, so surely it can be done. Those with an Apple Watch will be happy to know there’s a Frontier X app that allows you to choose your activity type and start and stop it from the watch. Rather usefully, it will also display multiple Frontier X metrics on the watch in real-time. This is something that is not available on Garmin and other watches yet and is on my wish list – the ability to view other physiological metrics in real-time, in addition to heart rate.

Frontier: Frontier X2 Heart Monitor - Fourth Frontier Fourth Frontier: Frontier X2 Heart Monitor - Fourth Frontier

A). Then, if needed, start an activity on your third-party device and the Heart Rate recorded and transmitted from the Frontier X/X2 will show up after a few seconds. It's excellent to know that the device has provided you with accurate insights into your cardiac activity, particularly during rest and sleep. Your observations regarding the live ECG's ability to detect premature contractions and diagnose episodes of atrial fibrillation are insightful. We understand the challenges of movement artifacts and are constantly working to improve the device's capabilities. More detail on Cardiac Rhythm can be found in the charts which group the data into 20 second intervals. If there’s a suspicious change detected in Cardiac Rhythm, that 20 second session will be flagged.Most devices in the market that allow you to record ECG are either watches or hand-held. Hand-held and Watch ECGs require you to sit still and hold the device with both hands, so they cannot be used during exercise. They also suffer from poor data quality, because the ECG is being acquired from the finger or wrist, instead of the chest. Further, they typically record only 30-60 second segments of ECG and do not allow for long continuous recordings like the Frontier X2. Measure the QT-interval, which is a very important sign to determine susceptibility to different medications, and the probability of sudden Cardiac death.

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Around your chest everything feels lightweight. The actual measurements of the core unit come in at 73mm x 24mm x 13mm and 25 grams in weight. That’s pretty close to a standard heart rate chest strap. It is a bit fiddly and takes some getting used to but maybe that’s because I’m more used to training with heart rate arm bands than chest straps. I found myself getting frustrated at the beginning, but soon got the hang of it. To ensure accurate readings, you should make sure the band fits snuggly around your chest. But more about that later.I also found the workout summaries to be an interesting read. In plain English you’ll get an assesment of your exercise in addition to recommendations for next time around. This is based on your weekly workout Training Load which is automatically calculated for you. Here’s a nifty little chart put together by Fourth Frontier. It shows how their flagship wearable compares to heart rate monitors, smartwatches with ECG and ECG halter monitors. This gives a good overview on the differences between each. Your recommendation means a lot to us, and we're thrilled that you've recognized the maturity of our company and product. It's customers like you who motivate us to continuously enhance our offerings. You’ll find Fourth Frontier is pretty good at churning out firmware updates regularly. In the past six months an average of one update per month was issued. Each brought improvements and additional functionality in addition to the usual bug fixes. the ability to take long-continuous recordings of your ECG (smartwatches with ECG typically record only 30-60 second segments)