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What is Broadband / ADSL?ADSL ("Asymmetric Digital Subscriber Line") is a type of DSL. It works by splitting your existing telephone line signal into two, one for voice and the other for data. ADSL technology can work at up to 8Mbps download. The most popular services in the UK at the moment are running at speeds of 512Kbps (approx. 9 times faster than a modem), although speeds of up to 2Mbps can be obtained. Upload speeds are 256Kbps on all products and hence this is why it is "asymmetric", because the download speed is different to the upload speed. How does ADSL operate in the UK?The majority of services are available through a broad range of ISPs who are reselling products from network operators such as British Telecommunications ("BT Wholesale") and Kingston Communications. It is the responsibility of the network operator to deliver your data (whether it be transmitted using a standard modem, ADSL or some other means) to and from your ISP of choice. It is a common misconception that "BT Openworld" is the only source of DSL service - in fact, "BT Openworld" is just one of many ISPs competing for your business.
What are the advantages and disadvantages of ADSL?A non-exhaustive list is as follows:
What do I need to get online?BT Telephone LineAlso, it has to be within 3.5 to 5.5 kilometres of an ADSL enabled exchange. Your line must pass a number of tests before installation can go ahead. Kingston Communications customers may also be able to receive ADSL without the need for a BT telephone line. An ADSL Modem or RouterMost ISPs will supply you with a modem or router either free of charge or at
additional cost. Connection equipment can be broken down into 3 basic
categories:
Sample photographs shown - actual manufacturer products vary in features and design. A Micro-Filter for each Phone Socket
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