Designed for fast data transmission,this compact accessory ensures networks connection for bandwidth intensive tasks. Perfect for developers and engineers working with the development board,the RJ45 Expansion Board allows for easy networks expansion without complicated setups. Whether in lab or research center,the RJ45 Expansion Board is suitable for networks related project and testing. Expand your networks capabilities for Milk V RJ45 Expansion Board.more devices to your development board effortlessly,thanks to this convenient extension modules. Enjoy high speed and stable Ethernet with the RJ45 Expansion Board.