Single-chip IEEE 802.11b/g WLAN solution with support for PCI ExpressTM
Atheros的卡最大特征就是信号非常好, 比intel 和Broacom都强 ,而且省电达40%,所以很多人都把原装的INTEL的卡3945,4311换成这种卡,除了IBM和HP外,所有的双核笔记本和PCI-E接口的笔记本都可以用,特别是有的机器是非INTEL主板的,华硕,神舟,ACER等品牌电脑都可以.
Atheros指出，AR5007EG也是业界通过Microsoft vista全面认证的首款解决方案之一，能以增强的运算效能带来强化的多媒体体验，并可支援IEEE 802.11i安全标准。所有Atheros 802.11a/g与802.11g晶片组硬体都内建AES加密引擎，无论是运算应用、消费性电子产品或无线宽频应用，都能即时加速而不必牺牲效能。
AR2425 Single-Chip 802.11b/g PCI Express CMOS MAC/Baseband/Radio
PCI Express Base specification 1.0a compliant
Operates from 2.300 to 2.500 GHz
Dynamic Frequency Selection/Transmit Power Control (DFS/TPC) support
Industrial temperature version (-40 to 85?C) option available
Advanced wideband receiver with best path sequencer for better range
and multipath resistance than conventional equalizer-based designs
Eliminates all IF filters and most RF filters; no external voltage-controlled
oscillators (VCOs) or surface acoustic wave (SAW) filters needed
Rx filter supports blocking specifications for half & quarter rate channels
No external FLASH or RAM memory needed
Serial EEPROM, LEDs, GPIOs peripheral interfaces
Low power sleep modes
AR5007EG Product Overview
Introducing the Atheros AR5007EG, our second generation single-chip IEEE 802.11b/g WLAN solution with support for PCI Express. Atheros AR5007EG integrates a complete WLAN solution-media access controller (MAC), baseband processor, and a high-performance 2.4-GHz radio in a low cost digital CMOS design.
With the highest level of integration, the AR5007EG enables the entire WLAN solution to fit on a single-sided Mini Card or ExpressCard design, creating the ideal choice for embedded and aftermarket WLAN solutions for personal computers. This design exploits the highly integrated ability of the PCI Express bus architecture to support high-performance computing with up to 2.5-gigabit-per-second transmit and receive rates – a 150 percent improvement over the existing PCI architecture.
AR5007EG Solution Highlights
Uses digital CMOS technology exclusively, minimizing power consumption
and cost while maximizing reliability
Highly integrated single chip PCI Express CMOS solution with
MAC/baseband processor and 2.4 GHz radio
Compliant with IEEE 802.11b, 802.11g, 802.11d and 802.11i standards
Supports draft 802.11e Quality of Service (QoS) standard
Hardware encryption for security provides Advanced Encryption
Standard (AES), Temporal Key Integrity Protocol (TKIP) and Wired Equivalent
Privacy (WEP) without performance degradation
Extended tuning range (2.300-2.500 GHz) enables worldwide use
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