Global Cellular M2M Value-Added Services (VAS) Market 2017-2021 - Features Key Companies ( AT&T, Sprint, Verizon, Vodafone )
Cellular M2M VAS is defined as the cellular value-added connectivity process within distinct SIM-enabled machines to offer connectivity over multiple wireless networks such as 2G, 3G, and 4G/LTE, or WiFi and WiMAX.
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