2011
anddev.org • View topic - Poor mans GPS - Cell(Tower)ID / Location Area Code -Lookup
DeLorme inReach—two-way satellite communication « The DeLorme Weblog
you can send AND RECEIVE text messages with true pole-to-pole global coverage. The inReach can be used by itself, with the DeLorme Earthmate PN-60w GPS, or with smartphones running the Android OS!


