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HSPA, LTE Cat 1, LTE Cat M, NB-IoT, Wi-Fi, Zigbee 802.15.4, Zwave, Sigfox, LoRa, RPMA, Weightless, and BT-LE are just a few wireless technologies vying for your IoT device, and this doesn't even include satellite networks. Are all these networks really going to survive? Why can't IoT adhere to the "Highlander Principle" (there can be only one)? To answer these questions, we need to learn about a theory developed during World War II.
It is not uncommon for manufacturers to spend months evaluating communication options before starting a device design, and then change course several times during development as new information is uncovered or new technologies start getting deployed. This series of articles will hopefully reduce both planning time and design rework. In this first post we overview all the factors that affect the choice of communication technology.