Features: Telephone 1/4 splitter: Divides one telephone line into multiple lines, 1 line can connect with multiple telephones or modems.Connect losslessly transmission at the same time Adopt bronze needle, to resist oxidation/enhances conductivity, good contact and transmission stability, which is beneficial to ensure clearer call. Environmental ABS shell: environmental protecting ABS shell is adopted to protect the internal chip structure and prevent collision and impact. Circuit board design: One-fourth circuit board design ensures more stable and noiseless voice signal transmission. Solve the problem that voice expansion wiring only 1 Rj11 port, and it can be distributed freely without multiple devices. Specifications: Name: Telephone Line Extension Distributor Shell: ABS Interfaces: 6P4C/6P2C Application: telephone/faxing machine /POS machine Model: RJ11F4 Circuit board: one-quarter circuit board Line connection: 1 to 4 Size：about 56x21x31.5mm/2.2x0.83x1.24in Package Includes: 1PC 4 Way RJ11 Splitter note: 1. Too many telephones may cause insufficient voltages, and it is not a product problem that the telephones cannot be used. 2. Both ends of this product with standard RJ11 telephone interfaces, please confirm the interfaces before buying. 3. If you want surfing the Internet home, this product can not be directly plugging into the networking cable and can not be used for sub-networking. Please buy another routering.