HWSP 1 to 2 RJ11 6P2C Female Socket Phone Modem FILTER DSL/ADSL Splitter (2pcs) Wired Ethernet Lan Adapter compatible with Windows  (100 Mbps)

Telephone DSL filter DSL:DSL connections use existing copper telephone lines to transmit data to and from the ISP. A special Internet service which is available in many areas. DSL splitters/filters is an electronic device that isolates the DSL and voice bands. An DSL Line Filter is required whenever you connect a computer to the internet using Broadband over a standard telephone line. The filters/splitter divide the signals on the telephone line between the high pitched computer modem sounds and the lower pitched human voices. Telephone DSL filter 1, UL, ROHS compliant; 2, Low pass filter, optimum performance; 3, EMI/FRI filtering included. ADSL filter eliminates the interference of broadband modem signal and voice signal, and enables computer and telephone to be used the same time without any equipment installed. wired RJ11 plug in one end for telephone signal in, and 2 RJ11 jacks in another end, separately for telephone signal out, and broadband modem signal out. EMI/FRI filtering included.