HLSP 1 to 2 RJ11 6P2C Female Socket Phone Modem FILTER ADSL/DSL Splitter (2pcs) Wired Ethernet Lan Adapter compatible with Windows  (1000 Mbps)

Telephone ADSL filter ADSL:ADSL connections use existing copper telephone lines to transmit data to and from the ISP. A special Internet service which is available in many areas. ADSL splitters/filters is an electronic device that isolates the ADSL and voice bands. An ADSL 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 ADSL 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.