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Difference between Cat-M1 (or LTE-M) and NB-IoT
Cellular networks offer low latency connectivity with high download speeds and is built to cater consumer and businesses high bandwidth demands. Existing cellular network technologies such as 2G, 3G, 4G LTE work well for Internet of Things (IOT) devices and Machine-to-Machine (M2) connectivity, however these technologies are expensive and power-hungry. Cellular networks were the most common method of connectivity used for IOT devices until recently.
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