The RJ45W port on the Ninigi is a hybrid interface designed for communication with other devices. It features eight simple pins, four of which are located on the flat side, and four on the round side. It is designed for use in Ethernet cabling for computer and other digital devices. The port is capable of providing up to 10/100 Mbps bandwidth speeds, making it a fast and convenient way to connect devices to each other and to the internet.