Getting in touch with your loved ones in case of an emergency can be tough if the internet goes down. The Blette Stick is designed for these situations. It is a USB-C device that connects to Android devices, allowing users to send their location and text messages to others without an internet connection. It has a range of 1.1km but you could get even more depending on your location.
Blette - English CM
The Blette Stick lets you send your GPS information to other Android phone around you. You are going to need Android 12 or later. The device has a built-in antenna and chip. You can find out more here.
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