One Connector RJ11 Cable Dual-head Network Extension of the Interface Adapter

One Connector RJ11 Cable Dual-head Network Extension of the Interface Adapter

RJ11 network cable connector network double-pass head network through the thread of the head net connection
RJ11 cable to connect the dual-head network device network through the first cable connector to extend the network cable
Usage: 2 cables through this product with a longer cable