SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Telephone Inline Coupler Straight Telephone Cable Extension Adapter for Landline Fax Machine -Straight-

Product Features: RJ11 Female to Female Coupler is used to connect and extend two existing telephone lines with R11 telephone head (6P6C, 6P4C, 6P2C crystal head) at both ends through telephone through box.It has high fidelity sound quality, simple and practical, high fidelity design, exquisite workmanship, strong anti-interference ability and low signal attenuation coefficient. Scope of use: family, study, living room, bedroom, office, business meeting, education, entertainment, etc. Package :2pcs RJ11 Female to Female Coupler