We've all been there – using Google Maps for navigation and waiting for the app to find our site. When we drive around, we hope it will get a lock in time to make the next trip. Well in the US we finally have a solution to the problem, and that is OnePlus 7 Pro.
OnePlus 7 Pro is the first US phone that contains dual frequency GNSS (sometimes called dual-band GPS). With this new technology, 7 Pro can set your location down to lane not just the street. This technology has been available since 2017 and has entered a handful of phones, none of which were released in the United States. But with OnePlus 7 Pro, Americans can now take advantage of the exact tracking of double-frequency GNSS on a phone that's even $ 300 cheaper than most flagships.
What exactly is dual-frequency GNSS?
As you know, your phone can track your position with Global Navigation Satellite Systems (GNSS). In the United States, this is synonymous with GPS.
Most existing phones use a single frequency GNSS. With a single radio signal, your phone is tracked by satellites and determines your position for everything from navigation to e-commerce app. But while a single signal does well in an open area, it can be bounced off by large objects such as buildings. The result of this study is a decline in position accuracy, which can go a low as 16 meters (5 meters). This is why in the cities you find Google Maps navigation is a bit more challenging to use, sometimes you place multiple streets away from your actual location.
As the name suggests, the dual frequency resolves the problem by doubling radio signals. Instead of a single radio frequency, your phone uses two. This means that if the accuracy drops to a frequency due to interference, there is a backup frequency to maintain a steady connection to the satellite.
With this increased reliability, dual-frequency telephones can track your position in a 30 cm radius relative to your actual position, translating into speed directions, where you know exactly where you are in the specific lane you are driving, resulting in in fewer mistakes and less time with your navigation app "route recalculation".  Currently, two-frequency GNSS is available for three satellite navigation systems: GPS, Galileo and QZSS. GPS is a system created and maintained by the United States Government, which is used mainly when traveling in America. Phones that support dual frequency GPS would use L1 and L5 signals.
Galileo is the EU version and works across Europe. It uses E1 and E5 at dual frequency. QZSS (or Quasi-Zenith Satellite System ) covers Japan and Asia-Oceania with dual frequencies with L1 + L5.
Android officially presented double frequency GNSS support in Android 8.0 Oreo. Companies like Broadcom also launched a double-frequency vessel (BCM47755) in 2017, which supported all three dual-frequency satellite navigation systems. While Broadcom stated that their chip would be used in 2018 smartphones, none of these phones were US-bound.
Until OnePlus announced 7 Pro, the only phones that supported dual-frequency GNSS were Xiaomi Mi 8, Xiaomi Mi Mix 3, Huawei Mate 20, Mate 20 Pro, Mate 20 X, Mate 20 RS, P30 and P30 Pro. While you can buy the Huawei P30 series from B&H, it is the international version, which means it does not have a US warranty. So now the Americans have their first real option in OnePlus 7 Pro.
OnePlus 7 Pro supports both the GPS L1 + L5 and Galileo E1 + E5, making it the first American phone to do so. It lacks QZSS dual-frequency support (it doesn't support QZSS navigation systems at all), but usually this GNSS is not found in Android-based smartphones released in the US anyway.
All of this means that users travel in the US and Europe does not have to worry about cities and large buildings that interfere with navigation accuracy, as their phone will track them just throughout the journey. And OnePlus 7 Pro also supports most other major satellite navigation systems, including GLONASS and BeiDou, so your phone can find you no matter what country you are in.
When you consider everything OnePlus 7 Pro offers, how you can look elsewhere? With up to 12 GB of RAM, 256 GB of storage, a Qualcomm Snapdragon 855 SoC, 90 Hz 6.67 QHD + Fluid AMOLED display and an MSRP of $ 669, there is simply no phone matching the price-to-spec ratio. And with offering something, no other American smartphone in double-frequency GNSS does contain even more value.
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