The Yorkshire Dales national park in England is a favourite location for walkers, hikers and climbers.
If people get into difficulty, teams of volunteers, like those at Swaledale Mountain Rescue, will go out to help them.
BBC Click’s Paul Carter spent two days with the team, who are trialling different technologies, to find out how they could make a difference.
See more at Click’s website and @BBCClick
This article was originally published by Bbc.co.uk. Read the original article here.