6 Foot Phone Line Extension Cord, White 100% Copper Conductors We use pure copper wires, not aluminum as found in cheap cables that lose as much as a third of the signal. Only pure copper transmits 100% of electrons, ensuring a connection without any signal loss.50 micron Gold Contacts Our RJ11 plugs feature the thickest gold plating available, typically reserved only for high-speed Ethernet plugs. We have invested in this premium quality to ensure a long-lasting and reliable connection.Compatibility Telephones, FAX, Answering Machine, Caller ID, Call Blocker, VoIP, DSL Modems, 2-Line Phones and other telecom devices. We specifically made straight-wired RJ11 connections to support both Voice and Data.Made in USA Precision made in New York with high grade materials sourced internationally. As part of our commitment to pro quality, we manufacture the final product ourselves ensuring every detail meets our exacting standards. Our Premium Quality Materials and Construction Deliver Clear Sound and Reliable Connection TELEPHONE CORD SPECSCable Length: 6 Foot Cable Color: White Cable Jacket: Extra durable PVC Cable Shape: Flat Conductors: 4 Conductor Size: 28 AWG Conductor Material: 100% Copper Plugs: RJ11 Male (6P4C) Contacts: 50 Micron Gold Safety: RoHS Certified COUPLER SPECSSockets: 2 Female RJ11 (6P4C) Housing: ABS UL 94V2 Current rating: 1.5A Conductors: 4 Conductor Size: 24 AWG Conductor Material: 100% Copper Contacts: Gold Plated (four times greater than standard) Safety: RoHS Certified WARRANTYLifetime Replacement MONEYBACK90 DAYS PACKAGE INCLUDES6 Foot Telephone Line Cable + Phone Line CouplerWarranty Card U.S. SELLER AND CUSTOMER SUPPORT SHIPPING: SAME OR NEXT DAY FROM NEW YORK AVERAGE DELIVERY: 3 DAYS SELLER CREDENTIALS: FAR 889 CERTIFICATE Select Other Telephone Line Extension Cord Sizes WHITE 6 Foot 8 Foot 10 Foot 12 Foot 15 Foot BLACK 6 Foot 8 Foot 10 Foot 12 Foot 15 Foot