The SM301PC1 is a Powerline to USB Adapter manufactured by Synapse. This adapter is designed to expand the functionality of any PC, laptop, or notebook. It allows two or more devices to communicate and share resources over the home's electrical wiring. The SM301PC1 has one LAN port and one USB port, with data rates up to 200 Mbps. It is also capable of bridging Wi-Fi networks, enabling users to access the Internet and other network-based services. The adapter is energy efficient and requires no external power source, making it easy to install and use.