This market data set provides global OEM vendor market share of wireless wide area networking (WWAN) cellular modules used for IoT communications. It quantifies market shares based on annual sales of dedicated cellular modules and gateways. It does not include non-IoT devices such as handsets or smartphones. This category does not include alternative bearer technologies such as Ethernet, Powerline, or short range sensor technologies (such as ZigBee and RFID, for example).