Fangrui Product Details Constructed From High-quality Plastic Materials, This 2-wire, 1-line Dsl Filter Guarantees Durability And Safety. The Phone Jack Splitters Plugs Are Crafted From Pure Copper, Ensuring A Stable Signal Transmission For Clear And Consistent Communication, Making It An Enduring And Reliable Addition To Your Home Network System. Specifically Designed To Reduce Digital Noise And Unwanted Interference Caused By Dsl, This Dsl Filter For Phone Lines Ensures A Smooth, Uninterrupted Connection. This Pack Includes 3 Filters, Providing You With A Reliable Back-up Or Additional Resources For Multiple Phone Lines In Your Home Or Office. Our Adsl Splitter Serves As A Vital Component Of Your Home Network, At Separating Low-frequency Audio Signals From High-frequency . It Effectively Reduces Noise Levels, Significantly Improving Signal Quality For An Enhanced Internet Experience And Clear, Static-free Phone Calls. Versatile And Adaptable, Our Adsl Splitter Is Compatible With A Range Of Devices And , Including , Satellite