Yes, external GPS receivers can be used with ForeFlight Mobile on both iPads and iPhones. These receivers typically connect via Bluetooth and offer more accurate GPS or GPS data for Wi-Fi-only devices without built-in GPS receivers. Look for receivers that are Apple-certified as MFi (Made for iPad or iPhone). Popular aviation GPS receivers include the Bad Elf GPS and Garmin GLO.
The Sentry ADS-B receiver, which connects via Wi-Fi, not only provides GPS data but also offers ADS-B traffic, weather, and AHRS information.
For details on recommended devices and a comparison of ADS-B options, refer to the supported devices list on our website.
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