UGREEN USB-A 3.0 to RJ45 Gigabit Ethernet Adapter Aluminum Case Space Gray – CM209

The UGREEN CM209 transforms standard USB ports into high-performance network connections. This compact adapter bridges the gap between modern portable devices and wired network infrastructure, delivering reliable gigabit ethernet capabilities.

Premium Performance Architecture

The CM209 adapter integrates advanced chipset technology that enables full gigabit network speeds. Its internal circuitry supports data transfer rates up to 1000Mbps, providing bandwidth necessary for demanding network applications. Furthermore, the adapter maintains backward compatibility with 10/100Mbps networks for universal deployment scenarios.

UGREEN engineers the CM209 with specialized signal processing capabilities that ensure consistent connection quality. The adapter supports essential networking features including:

• Full-duplex transmission for simultaneous data sending and receiving
• Auto-negotiation for optimal speed selection based on network capabilities
• Auto-MDIX functionality eliminating the need for crossover cables
• Wake-on-LAN support for remote system activation

These technical elements combine to deliver enterprise-grade network functionality through a simple USB connection. As a result, users experience reliable performance across various usage scenarios without complicated configuration requirements.

Premium Construction Quality

The UGREEN CM209 features a precision-crafted aluminum housing that provides superior durability and heat dissipation. The Space Gray finish complements modern device aesthetics while offering practical scratch resistance. Additionally, the metal construction provides enhanced electromagnetic shielding that protects signal integrity.

The adapter incorporates high-quality components throughout its design:

• Gold-plated contacts resist corrosion while ensuring reliable connectivity
• Reinforced USB connector withstands thousands of insertion cycles
• Premium-grade RJ45 port maintains secure cable retention
• Integrated status LEDs provide visual confirmation of connection activity

Through these construction elements, the CM209 delivers consistent functionality even in demanding usage environments. Consequently, users experience extended operational lifespan compared to plastic-housed alternatives.

Versatile Compatibility Profile

The UGREEN CM209 provides exceptional device compatibility through its USB 3.0 interface. It supports proper operation with:

• Windows laptops and desktops (7/8/10/11)
• macOS systems (10.6 and newer)
• Chrome OS devices
• Linux distributions with standard kernel support

The CM209 model utilizes driver architecture that enables plug-and-play functionality on most operating systems. Many platforms recognize the adapter immediately, while others may require simple driver installation from the included media or UGREEN’s support website.

Ideal User Profiles

The UGREEN CM209 particularly suits:

• Business professionals requiring secure wired connections
  • The gigabit performance supports bandwidth-intensive cloud applications and video conferencing
  • The reliable connection eliminates Wi-Fi interference issues in congested office environments
• Remote workers managing sensitive information
  • The wired connection provides additional security compared to wireless alternatives
  • The compact design fits easily into mobile work kits without adding significant bulk
• Content creators transferring large media files
  • The gigabit throughput accelerates network file operations compared to typical Wi-Fi connections
  • The aluminum construction provides necessary durability for regular transport between workspaces

Technical Specifications

Physical Dimensions

• Length: 7.2 cm (2.8 inches)
• Width: 2.1 cm (0.8 inches)
• Height: 1.6 cm (0.6 inches)
• Weight: 28 grams (0.98 oz)
• Color: Space Gray

Performance Parameters

Network Capabilities

• Maximum Speed: 1000Mbps (Gigabit)
• Compatible Standards: IEEE 802.3, 802.3u, 802.3ab
• Supported Modes: Full-duplex, Half-duplex
• MAC Address: Unique 48-bit hardware address

System Requirements

Operating Systems

• Windows: 7/8/10/11
• macOS: 10.6 and newer
• Linux: Kernel 2.6.25 or later
• Chrome OS: All versions

Construction Details

Materials

• Housing: Aluminum alloy
• USB Connector: Gold-plated contacts
• RJ45 Port: Standard 8P8C with LED indicators
• Cable Length: 15 cm (5.9 inches)

Package Contents

Included Items

• UGREEN CM209 USB-A 3.0 to RJ45 Gigabit Ethernet Adapter
• Driver Mini-CD (Optional installation)
• Quick Start Guide
• 18-Month Warranty Card