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Broadband Basics

Covad offers a range of different broadband technology types, each with unique upload or "send" and download or "receive" speeds. Below is a quick overview of the different types of broadband technology that Covad offers.

Different Types of Broadband Technology

  • DSL—DSL (digital subscriber line) service is a proven technology that uses standard telephone lines to provide reliable, high-speed Internet access. DSL is "always-on," providing high-speed Internet connectivity for websites, email, and other online applications. Unlike other broadband technologies, DSL service offers higher average speeds and fewer bottlenecks to slow you down.
  • ADSL2+— Referred to also as ADSL2Plus, this next-generation technology boosts the performance of ADSL broadband by dramatically enhancing bandwidth, offering greater data transfer rates with much faster download/upload speeds. If your business faces a growing demand to support new bandwidth-intensive applications and services, ADSL2+ is the ideal choice.
  • ADSL—Asymmetric DSL splits resources to give you higher download speeds than upload speeds. If you spend the majority of your time viewing websites and checking email, and less time sending files or running network applications, ADSL is your best choice.
  • Dedicated vs. Line-shared ADSL—Line-shared service is delivered over an existing or new telephone line and supports simultaneous Internet access and telephone use. Dedicated service is delivered over a separate line (not being used for telephone service) and is dedicated to Internet access service only. 
  • IDSL—ISDN DSL is a symmetrical technology providing equal upload and download speeds. Generally, it is recommended for users unable to obtain other DSL services at their location.
  • SDSL—Symmetrical DSL also offers equal download and upload speeds. It is ideally suited for users working with large files, network applications, or maintaining in-house email or Web servers.
  • T1—T1 also offers equal download and upload speeds. It is ideal for businesses that demand maximum speeds and enhanced features for bandwidth-intensive, mission-critical applications such as e-commerce, online data storage, CRM applications and corporate intranets and extranets.

Covad Wireless services offer businesses T1-class wireless broadband that delivers fast, symmetrical downstream and upstream speeds through an industry-leading wireless infrastructure.