The S.B.D is a Bluetooth to LORA Bridging device allowing extended range on certain devices that have a smart switching Radio antenna. Currently the Vision Pad can be paired with the S.B.D to extend the range upto 10 miles (15km) in an open space.
When connected to the Vision pad there is no other settings or configuration.
The S.B.D does all the work for you and knows when it is to switch between internal radios.
To use , Simply Connect the iPhone to the S.B.D via the app and you are good to go!