AT&T's fastest Internet speeds available over 100% fiber, up to 1 gigabit per second, and access to award winning TV servicesOver 1 million Locations Passed Today, AT&T More Than Doubling ... /PRNewswire/ --AT&T1 announced today it is planning to expand the availability of ultra-fast speeds through AT&T GigaPowerSM to homes, apartments and small businesses in parts of 38 additional metros across Internet speeds up to 1 gigabit per second over the AT&T GigaPower network let you instantly access the latest online movies, music, games and more.3 AT&T GigaPower can also improve your experience when connecting to the cloud and videoconferencing, and gives you the speed to power all of your devices. , president, AT&T Oklahoma.