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AT&T Internet is an AT&T brand of broadband internet service. Previously, AT&T Internet was branded as U-verse Internet and bundled with U-verse TV, which was spun off into the newly independent DirecTV in 2021. AT&T Internet plans powered by fiber-optic cable use the AT&T Fiber brand.
There are 2 types of VRAD systems currently used by AT&T: FTTN (fiber to the node), and FTTP (fiber to the premises). FTTN, widely used where copper facilities exist in established neighborhoods, uses an Alcatel-Lucent 7330 Intelligent Services Access Manager (ISAM) shelf, [2] which uses the existing copper wiring to customers' homes, leading to distance limitations from the VRAD cabinet to ...
With its U-verse product, AT&T (formerly SBC) had pursued a strategy of Fiber to the Neighborhood (FTTN) and had even delivered Fiber to the Premises (FTTP) prior to the services' launch. Currently, U-verse is deployed as a Fiber to the Hub (FTTH) service; the line connecting the hub to the home is a dual copper pair line.
Demand has also been growing for AT&T's plans that allow customers to combine its high-speed fiber data with its wireless phone service for a discount. ... AT&T reported 28.3 million fiber ...
Fiber-optic communication remains the medium of choice for Internet backbone providers for several reasons. Fiber-optics allow for fast data speeds and large bandwidth, suffer relatively little attenuation — allowing them to cover long distances with few repeaters — and are immune to crosstalk and other forms of electromagnetic interference.
The two main methods of mobile backhaul implementations are fiber-based backhaul and wireless point-to-point backhaul. [2] Other methods, such as copper-based wireline, satellite communications and point-to-multipoint wireless technologies are being phased out as capacity and latency requirements become higher in 4G and 5G networks.