What it really is: The system will be used for mapping and surveying. Preferably, it’s a precisely designated product with weatherproof construction, great camera and acceptable software. Even so, much more simple models is often used for relaxed hiking, For illustration. They typically need a smartphone to work, as well; https://andysqkgv.ageeksblog.com/27637212/advanced-technology-essay-things-to-know-before-you-buy