Precise navigation meets global communication in the rugged gpsmap 66i. Using inreach®technology, the button-operated gps handheld and satellite communicator 1 lets you trigger an interactive sos to geos and enables two-way messaging and location tracking via the 100% global iridium®satellite network. Navigate confidently with preloaded topoactive u. S. And canada mapping, direct-to-device birdseye satellite imagery downloads, multiple global navigation satellite systems (gnss) support and navigation sensors.