Description: This is an one male to three female port ethernet cable. Two network cable can be connectted into a longer cable through this splitter. 78mm PCB board was embedded conduction circuit to avoid damage to the conductor. It can shield the external electromagnetic signal interference to prevent damagement to the internet signal. Features: 1. Two network cable can be connectted into a longer cable through this splitter. 2. 78MM PCB board was embedded conduction circuit to avoid damage to the conductor. 3. It can shield the external electromagnetic signal interference to prevent damagement to the internet signal. 4. Using gold-plated core to ensure transmission of signals. 5. Many interfaces, convenient and practical to use. Specifications: Type: Cable Extension Model: RJ45 Color: Black Material: ABS Connector on First End: 1 x RJ-45 Male Network Connector on Second End: 3 x RJ-45 Female Network Size: Approx. 7 * 2.5 * 2.2 cm / 2.8 * 1 * 0.9 inch Connection length: 20.5cm Weight: 110 g Package Include: 1 x Ethernet Cable . Note: Please note that this product can only use one interface and cannot use multiple interfaces at the same time. It does not support one network cable to be separated and connected to 2 or 3 network cables for computer use at the same time.