inputs.text: great product happy - unit performs exactly advertised use climbing mountaineering works great even partial tree cover treeline no issues messages sent within seconds even got replies iridium constellation provides excellent coverage unit queues messages cannot find bird communicate used iphone interface without problehems makes composing text messages breeze one small quibble downarrow unit bit squirrelly delorme offered replace no chargeeach message link website map location message sent links work great maps beautiful people following really appreciated ability reply right map link pagei no trouble activation day activated pouring rain sat car held unit window worked fine able send messages right away