The vast majority of Broadband services is delivered to subscribers via telephones on copper wire.
Whether ADSL or VDSL (FTTC or fibre to the cabinet) broadband is affected significantly with the length of copper it travels through – refer graph below.
Both ADSL and VDSL are asynchronous products which deliver an acceptable download speed but poor upload speed.
Generally at least 5Mbps down speed is required for high definition video steaming. Whilst this is acceptable for domestic use it is not suitable for business use which requires to send and receive data with multiple users simultaneously.