This is a grey RJ11 ADSL/DSL broadband router cable (often supplied by UK internet service providers like Sky or Fibrus).Key FeaturesPurple Terminal Clips: These specialized, color-coded RJ11 plastic clips make it easy for users to recognize where to plug the cable into the corresponding purple broadband port on the back of their internet hub or modem.Function: It connects your wireless internet router directly to your telephone wall jack or microfilter to deliver your broadband connection