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E8871L Former Product Number

Status do Produto: Obsoleto
Este produto não se encontra disponível


E8871 Image

Note: Model number E8871 has been discontinued; however, the 802.11n Wireless Library feature/capability is now included in the W2365 Wireless Networking Libraries Element.

The information below is provided for reference only.

The IEEE 802.11n Task Group was formed to increase WLAN throughput above 100 Mbits/second while maintaining backward compatibility with existing 802.11a/g devices, raising spectral efficiency to at least 5 bits/s per hertz and maximizing range.

Because throughput is specified at the media-access control (MAC) layer, the radio physical-layer data rate must be near 150 Mbits/s. These lofty goals for the next generation of WLAN chip sets are now achievable with proven technology.

Multiple-input, multiple-output antenna technology is a compelling answer to 802.11n's requirements. MIMO essentially multiplies data throughput, with a simultaneous increase in range and reliability, without consuming any extra frequency spectrum. And it can be used in a fashion that maintains backward compatibility to the installed base of WLAN products.

The Enhanced Wireless Consortium (EWC) was formed to help accelerate the IEEE 802.11n development process and promote a technology specification for interoperability of next-generation wireless local area networking (WLAN) products. EWC specification has been adopted by the WLAN 11n joint proposal team as the next-generation Wi-Fi standard.

This WLAN 11n wireless library complies with the EWC Interoperability PHY Specification, V1.13, November 2005.

Product Highlights:

  • 20/40 MHz bandwidth
  • Up to 4 antennas
  • Convolutional coding
    -Coding rate 1/2, 2/3, 3/4, and 5/6
  • Modulation scheme
    -BPSK, QPSK, 16-QAM, 64-QAM
  • Mixed mode and Green field mode
  • Direct mapping and spatial spreading