The Navico 3 Prong Multi-Joiner helps easily split or expand the Simrad SimNet network for a seamless connection between the systems. It can also be used in reestablishing the backbone of the SimNet, keeping the network intact. This Simrad tee joiner allows for convenient disconnection of a drop cable without affecting the backbone of the network. Features For convenient extension of SimNet network 3 prong design Easy to use and install