Check out the Garmin gps. They have several to choose from. I use a Garmin 64csx for hunting and backpacking. It not only picks up our US satellites but also glonas (Russian) satellites and is super accurate when saving waypoints. Read up on
what maps you want as most all topographical maps with Garmin have to be purchased online and downloaded into your unit you decide to purchase. Garmin also has some higher cost gps’s loaded with various topo maps. Do your research online for the unit you want as well as mapping. The mapping software can set you back as much as the gps if you travel to different states to fish, hunt, or backpack.