Scale your 10100 mbps ethernet network 1km over rj11 phone lines and remotely connect four rj45 network devices the 1 port to 4 port vdsl2 ethernet extender kit lets you connect up to 4 remote network segments or devices to your network using rj11 phone cable this vdsl2 extender is easy to use and integrates a 4 port ethernet switch on the receiver unit which reduces the expense of purchasing additional network switches or routers the extender reduces the hassle of networking your is