RJ11 6P2C Male to 2 Female Telephone Modem ADSL Splitter Filter. A DSL splitter is just a regular phone splitter with a filter on one of the outputs. They allow the internet to work on your PC ...

Don’t buy a cable modem if you’re on DSL or fiber; those technologies use different standards and connectors. Verizon Fios lets you buy your own modem-router combo, but you have only a single ...