Here is a small satellite communicator that enables two-way text messaging using the global Iridium network. The Garmin inReach Mini can provide you with weather forecast, maps, NOAA charts, and other relevant info. It allows you to trigger a SOS when in trouble.
You can connect the device to your smartphone via Bluetooth to pull in your contact list and send / receive text messages. The inReach Mini is also a handheld GPS device.