Qualcomm announced a new LTE modem and its naming method. It uses a simpler name to distinguish the differences between different products. LTE modems all support CA technology, but the maximum upload and download speeds are different. The lowest price X5 only supports 150Mbps download and 50Mbpas upload Cat. 4; The highest X12 is Cat.10, which supports 450Mbps download and 100Mbps upload.
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