Fedus RJ11 Coupler, Telephone Phone Line Connector Coupler RFAdapter RJ11 6P4C Inline Coupler Keystone Jack Female to Female Straight Telephone Cable Cord Extension Adapter White PACK OF 5 Lan Adapter  (1000 Mbps)

" • HIGH QUALITY - RJ11 inline coupler is used to connect and extend two existing telephone lines with R11 telephone connector at both ends through telephone through box. • SMOOTH CONNECTION - Compress all the spare space, accurate signal transmission, small and exquisite, compact, and durable. Easy to install and no static or distortion of voices. • WIDE RANGE OF USE - Phone line coupler can be used for all telephones and fax machines, and is an assistant for office meetings, Premium Quality Inline Coupler for join 2 RJ11 telephone lines together, Extends phone line connections. • HIGH-QUALITY MATERIAL - Phone line coupler High-quality PVC internal insulation, strong anti-interference ability, oxygen-free copper conductor, high-fidelity design, and exquisite craftsmanship. • 3 MICRON GOLD PLATED PINS - It has high fidelity sound quality, exquisite workmanship, strong anti-interference ability and low signal attenuation coefficient. Provides good solid connection without signal loss."