The eXplorist 210 is the third in its line, improving on the 200 in several ways: It has more available memory (22 MB), USB connectivity, and support for maps. Aslo included is a simple file memory system that makes it easy to download and manage coordinates and other information from the Internet.
Unit needs to be held a certain way in some sunlight conditions; Limited number of navigation screens; Does not come with a wrist strap or batteries
Good signal lock; Good position accuracy; PC-type file system