“Tired of searching for a Wi-Fi connection? Instead, use the AT&T mobile broadband network to connect to the Internet. AT&T Communication Manager (ACM) is a software application that works with your AT&T mobile broadband device to provide high-speed, wireless Internet connectivity so you can stay in touch. ACM displays your data usage in real time. Easily track and manage your data usage—so you know how much data is available to use to d...”