Satisfaction Ensured</br>Design is stylish and innovative.</br>Functionality that is Unbeatable.</br></br>Product Description</br></br>- Suttle in-line DSL filter with splitter- The In-line Adapter connects between the wall jack and voice device (e.g. phone?? fax?? answering machine?? Caller ID) providing both an unfiltered DSL jack for DSL connection and a filtered jack for a single line of voice device communications- Eliminates all erratic impedance from telephone equipment that interfere with DSL communications- FCC Registered; Complies with Part 68- ANSI T1. 421- Materialis flame retardant thermoplastic compliant with UL 94V-0- Minimum 50 micro-inch of gold and nickel- Small compact design- Customer installableSE900LCCS50</br><br/>http://www.amazon.com/gp/product/B003807GK6