Network Adapter LevelOne USB-0301 Fast Ethernet

The LevelOne USB-0301 Fast Ethernet network adapter provides a reliable wired connection up to 100 Mbps via a USB port. This compact black adapter is powered through USB and offers a simple way to add an RJ-45 Ethernet port to laptops, MacBook Air and other devices that lack a built-in Ethernet jack, enabling stable internet access and fast local file transfers.

Advantages

The adapter supports USB 1.0/1.1/2.0 standards and Ethernet standards IEEE 802.3 and 802.3u, delivering wire-speed 10/100 Mbps transmission and reception. It is compact and lightweight, requires no external power supply, and offers plug-and-play installation for quick setup. The device is compatible with a range of operating systems and supports both IPv4 and IPv6 network operation.

Suitable for

• Adding a wired Ethernet port to laptops without RJ-45 (e.g., MacBook Air)
• Connecting gaming consoles or small-form-factor PCs to wired networks
• Secure network access for file transfers or administrative tasks
• Temporary wired connections when Wi‑Fi is unavailable or unreliable

Key specifications

• Model: LEVELONE USB-0301
• Interface: USB (host) to RJ-45 (network)
• Maximum data transfer rate: 100 Mbit/s (Fast Ethernet)
• Networking standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3az, IEEE 802.1Q
• Power: USB bus-powered (no external adapter required)
• Product colour: Black
• Weight: 0.045 kg

How to use

Plug the LevelOne USB-0301 into an available USB port on your computer or console, then connect an Ethernet cable to the RJ-45 port on the adapter and to your router or network outlet. On supported operating systems the adapter installs via plug-and-play; if drivers are required, follow the manufacturer’s driver installation instructions for your OS. Once connected, verify network settings (IPv4/IPv6) and test the connection for proper internet or LAN access.

Recommendations

Use a standard Cat5e or Cat6 Ethernet cable for optimal 100 Mbps performance and connect directly to a router, switch or wall outlet to ensure stable wired connectivity. If your OS does not automatically install drivers, download the correct driver from LEVELONE support pages.