Connection with an external GPS to collect coordinates?

[Epicollect5]

You can manually add lat and long values coming from an external device to a LOCATION question

Location Questions | Epicollect5 Data Collection User Guide

Also see

Can you connect app to external GPS?

Is it possible to collect location data using an external GPS that is connected (via bluetooth) to the phone/tablet used to fill out the form to get better accuracy during offline use?