Provides a 2.4 data-centric upgrade path from legacy 802.11b networks

AR5004G Solution Highlights

• Support for IEEE 802.11b, 802.11g

• Uses digital CMOS technology exclusively, minimizing power consumption and cost while maximizing reliability

• Highly integrated 2-chip set

• 2.4 GHz Radio-on-a-Chip (RoC)

• Multiprotocol MAC/baseband processor that support the RoC

• Wireless Multimedia Enhancements Quality of Service support (QoS)

• Super G® mode delivers up to 108 Mbps raw data rate with typical end user  throughput exceeding 60 Mbps

• Super G utilizes Adaptive Radio to automatically identify clear channels
  for maximum throughout and standards compatible operation

• Hardware encryption for the Wi-Fi Protected Access (WPA) and IEEE 802.11i security specifications, provides Advanced Encryption Standard (AES), Temporal Key Integrity Protocol (TKIP) and Wired Equivalent Privacy (WEP) without performance degradation

• Atheros eXtended Range (XR) technology to give Wi-Fi products twice the range of existing designs

• Power-saving design improvements reduce system power consumption by 60%

The AR5004G solution includes:

AR2112 Radio-on-a-Chip for 2.4 GHz WLAN

• Support for IEEE 802.11b, 802.11g
• Operates from 2.300 - 2.500 GHz
• Advanced wideband receiver with best path sequencer for better range and multipath resistance than conventional equalizer-based designs
• Integrated power amplifier (PA) and low-noise amplifier (LNA)
• External PA and/or LNA can be used for special applications
• Eliminates all IF filters and most RF filters; no external voltage-controlled oscillators (VCOs) or surface acoustic wave (SAW) filters needed
• Enhanced transmit and receive chains

AR5213 Multiprotocol MAC/baseband processor

• Supports both 2.4 GHz and 5 GHz RoCs

• Super AG®  mode includes dynamic 108 Mbps capability, real-time hardware data  compression, Fast Frames™ and standards-compliant bursting

• Atheros eXtended Range (XR) technology

• Integrated Wake-on-Wireless and Wake-on-Theft capabilities

• No external FLASH or RAM memory needed

• PCI 2.3 and PC Card 7.1 host interfaces with DMA support

• Integrated analog-to-digital and digital-to-analog converters

• Serial EEPROM, LEDs, GPIOs peripheral interfaces

• Low power operational and sleep modes

AR5004G WLAN System Architecture

* Theoretical wireless link rate based on applicable IEEE 802.11 standards. Actual user throughput will be lower than the theoretical link rate and will vary, as network conditions and environmental factors can lower actual throughput rate.