“…A relevant aspect to consider is the communications technology used [87]. One of the first options for very long distances is to use GSM (global system for mobile communication) [88][89][90][91]; but to obtain high capacity in data communication you can also use other wireless networks such as ZigBee [15,92,93], wireless fidelity (Wi-Fi) [15,52,83] or IPv6 over low-power wireless personal area networks (6LoWPAN) [94][95][96].…”