?WIDE RANGE OF USE?The phone jack splitter 2 way can be used for joining two telephone with RJ11 cable to one single phone line. The phone cable splitter can be used not only telephones but FAX machines with your telephony unit, suitable for home, house and office. ?MATERIAL?High quality sound quality, all copper plated gold needle core, stable transmission signal. Good contact and transmission performance, provide a strong guarantee for stable data transmission, easy to use, convenient connection, no static or sound distortion.RJ11 Coupler plastic cg made of environment-friendly material to protect the internal chip structure, internal insulation, strong anti-interference ability and low signal attenuation coefficient. ?SMALL AND EXQUISITE? RJ11 Female to 2 Female 6P6C Telephone Inline Coupler Telephone Extension Adapter small and exquisite in size that provides a full range of solutions for voice, home networking, home office and audio. ?NO SIGNAL LOSS?Thickened PBC board, strong and durable, to avoid the problem exposed damage, high temperature resistant, longer service life, RJ11 6P6C Phone Jack Splitter is used and helps to extend or repair existing patch cables.This inline coupler provides faster data transmission without any signal loss. ?TWO WAY PHONE SPLITTER ?Both ends of phone splitter 1 to 2 is 6P6C RJ11 interface, 1 female to 2 female is used for joining two telephone with RJ11 cable to one single phone line, makes it more convenient to use 2 phones or FAX machines.