Sierra Wireless is a wireless communications equipment designer and manufacturer. Sierra Wireless sells mobile computing and machine-to-machine (M2M) communications products that work over cellular networks. Sierra Wireless sells 2G, 3G and 4G mobile broadband wireless modems, routers and gateways as well as software, tools, and services. Sierra's products are sold through indirect channels, such as wireless operators (e.g., AT&T Mobility, TELUS, Sprint and Verizon Wireless), resellers, and OEMs.