: DSL filter (ADSL filter) for landline phone can provide you a crystal clear sound by removing DSL band interference in your phone line Why Us? NECABLES is not only a brand, we have our own factory that has been manufacturing these telephone adapters and cables for almost 20 years Specifications: * Interface: RJ11 6P2C male to female * Housing: Plastic ABS white, flame retardant and durable * Pins: Phosphor copper, 6 micron gold plated, better toughness and contact * Cable Assembly: 2 conductors (Red and Green), 100% copper wires, 26AWG, more stable connection * Cable Length: Around 5 inch * Equipped with 6 inductors, stronger filtration performance than 4 inductors filter * Compatible with all brands landline phone, cordless phone, fax or answering machine * Easy to install, just plug the RJ11 male end to your wall phone jack and connect your device to the other end * Prevents voice dropouts, hissing, static and other background noises during your phone call * Package: 1pc per bag Warranty: NECABLES offers 30 Days Money-Back and 12 Months replacement service

? Easy to install, just plug the RJ11 male end to your wall phone jack and connect your device to the other end. ? Standard RJ11 interface, compatible with all brands landline phone, cordless phone, fax or answering machine. ? 6 inductors version, stronger filtration performance than 4 inductors one. ? Prevents your phone call from voice dropouts, hissing, static and other background noises. ? DSL phone filter is designed to eliminate DSL band interference for your phone line and provide you a better sound clarity.