To obtain more precise locations external Bluetooth GPS receivers can be used.
Due to hardware and operating system restrictions only selected Bluetooth GPS receivers can be connected to the iOS version of Discover Mobile.
The following have been whitelisted and certified to work with Discover Mobile.
Bad Elf Series
https://bad-elf.com/collections/bluetooth-gps
Bad Elf GPS Pro
Bad Elf GPS Pro+
Bad Elf GNSS Surveyor
EOS Arrow Series
https://eos-gnss.com/products/hardware
Arrow Lite® GNSS Receiver
Arrow 100® GNSS Receiver
Arrow 200® GNSS receiver
Arrow Gold® GNSS receiver
