2 Pcs CESS RJ11 ADSL Modem Broadband Phone Line Filter Adapter Splitter<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> This adapter separates voice signal and ADSL digital signal from telephone signal </span></li><li><span class="a-list-item"> Protect the voice signal and ADSL digital signal from the interference of a telephone and a fax machine </span></li><li><span class="a-list-item"> One RJ 11 at one end for line， two RJ 11 at the other end for phone and modem </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OZTm7WxTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Wx-GRHTjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41pWHjeBJ9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51z2lfXXN4L.jpg" noproxy>