Rugged GPS/GLONASS Handhelds with Two-way Radios 5 W GMRS two-way radio offers extended range, up to 20 miles; communicate by voice or unit-to-unit text messaging High-sensitivity GPS and GLONASS satellite reception; tracks in more challenging environments than GPS alone Position reporting feature shows locations of other Rino users on the same channel 3 - sunlight-readable touchscreen with dual orientation (landscape or portrait view) Dual battery system provides up to 14 hours between charges on lithium-ion pack or up to 18 hours with optional AA batteries (sold separately) Rino 755t adds preloaded TOPO U.S. 100K maps and 8-megapixel autofocus camera with LED flash/torch