Bring the lightning fast speed of AT&T 4G LTE into your home and wirelessly connect tablets, smartphones, and computers with one, easy-to-use device. 30GB of data for moderate users of the Internet who send email, surf the web, access social networks, do light video streaming, and more. Once 30GB is exceeded during your monthly billing period, an additional 1GB is automatically provided at a rate of $10 per additional 1GB.