The Realtek RTL8191SE is a highly integrated single-chip 802.11n Wireless LAN (WLAN) solution for PCI Express interface. It combines a WLAN MAC, a 2T2R capable WLAN baseband, and WLAN RF in a single chip. It is designed for high-performance and cost-effective wireless connectivity in desktop and laptop computers.

Applications

• Desktop Computers: Provides Wi-Fi connectivity via a PCI Express slot.
• Laptop Computers: Enables wireless networking capabilities.
• Embedded Systems: Suitable for embedded systems requiring PCI Express Wi-Fi connectivity.
• Industrial PCs: Offers wireless communication for industrial applications.

Features

• IEEE 802.11b/g/n compliant: Supports standard Wi-Fi protocols for broad compatibility.
• Integrated WLAN MAC, Baseband, and RF: Reduces the number of external components and simplifies system design.
• 2T2R (2 Transmit, 2 Receive): Provides improved performance and range compared to 1T1R solutions.
• PCI Express Interface: Enables high-speed data transfer and seamless integration with host processors.
• Supports Wi-Fi Direct: Enables peer-to-peer wireless connections without an access point.
• Advanced Power Management: Optimizes power consumption for energy-efficient operation.
• Support for WEP, WPA, and WPA2 encryption: Ensures secure wireless communication.

Benefits

• High Performance: 2T2R architecture provides improved data rates and range.
• Cost-Effective: Integrated design reduces BOM (Bill of Materials) cost.
• Easy Integration: PCI Express interface simplifies hardware and software development.
• Reliable Wireless Connectivity: Provides stable and consistent Wi-Fi performance.
• Secure Wireless Communication: Protects data from unauthorized access.
• Wide Compatibility: Supports standard Wi-Fi protocols for broad interoperability.

Technical Specifications

The RTL8191SE operates in the 2.4 GHz frequency band and supports data rates up to 300 Mbps. It features advanced power management techniques to minimize power consumption in both active and standby modes. The PCI Express interface allows for seamless connectivity to a variety of host processors. The 2T2R architecture provides improved signal strength and coverage compared to single-antenna solutions.

The Realtek RTL8191SE is a versatile and reliable Wi-Fi solution for desktop and laptop computers, offering a balance of performance, cost, and ease of integration. Its 2T2R architecture and support for industry-standard protocols make it an ideal choice for devices requiring high-performance wireless connectivity via PCI Express.