goTenna provides low-cost remote communication without a cell network

Mongabay
By Sue PalminteriSep 3, 2015, 3:00 am183 pts
A ranger contacts his team through the dense forest to ask for backup support in investigating a recently poached animal. A research team calls its base camp to ask for help with an injured colleague. Regular communication can improve nearly every aspect of field-based work, yet the need for communication often…

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