Monster Cable Ultra-High-Speed RJ11 Internet Phone Cable (5-Feet, Yellow) High-performance hookup of modem or telephone to wall jack for fastest Internet access 24k gold contact RJ11 connectors deliver error-free data transfer Duraflex jacket protects against abrasion and chemicals Available in 5 colors (Navajo White, black, blue, yellow and red) for color-coding different lines XLN construction eliminates crosstalk (noise) between conductors, low-loss dielectric offers improved signal integrity over long runs