What is this? The In-Line DSL Splitter Filter is an electronic device that connects the phone and the signal source, filters the signal transmission to make the signal transmission clearer, and is suitable for landline phones. Widely used in home and office What will I get? The In-Line DSL Splitter Filter provides here, Type: 6P2C 2 Way Color: Beige Total Size : 46x 33x21mm / 1.81 x 1.3 x 0.81 inch(L x W x H) Telephone  Cord Length: 90mm / 3.54inch In the package of: 1 Pack x Phone Line Splitter   Is there any advantages of the product? Phone Line Splitter can reduce noise and reduce interference in the process of signal transmission. Ensure stable signal transmission How to use it? Steps of installation: Insert the corresponding device according to the logo on the product, one for the DSL and the other for the Phone line., then the male socket is connected to the wall jack What should I notice? Before purchasing, please confirm whether the plug type of the telephone handset is correct