Broadcom DRAFT-802.11N PRODUCT FAMILY (BCM4321)

FEATURES

• First IEEE 802.1 1n draft-compliant Wi-Fi solution
• BCM4321—MAC/baseband controller for draft-802.11n and 802.11a/b/g devices (PCI/PCI Express /CardBus)
• BCM2055—2x2 dual-band single-chip radio—3x3 and 4x4 antenna options for increased range and performance
• All CMOS implementation of the world's most advanced system architecture for draft-802.11n networks
• Fully backwards-compatible with IEEE 802.11a/b/g legacy devices
• Allows cost-effective system design using low-cost PCB and single-sided assembly
• High-performance features across the Intensi-fi product line

•    High-performance whole house wireless coverage

•    OneDriver™

•    SecureEasySetup™

•    SmartRadio™

•   WPA™/WPA2™

•    Cisco Compatible Extensions (CCX4)

•    Full-rate Advanced Encryption Standard (AES) engine in hardware

•   WMM™ for quality of service

SYSTEM /CHIP BENEFITS

• Reference Designs
  BCM94321CB2—CardBus reference design
  BCM94321MP—Mini PCI reference design
  BCM94321MC—PCI Express Mini Card reference design
  BCM94704NR—AP/Router reference design
• Two spatially multiplexed streams support data rates up to 300 Mbps
• Increased rate/range performance enhances user satisfaction while reducing product support calls
• Self-calibrating architecture allows high-yield board manufacturing
• 2x2 antenna structure maintains form factor compatibility with high-volume IEEE 802.11a/g industrial designs
• Low-cost CMOS implementation for MAC, baseband, and radio allows integration with Broadcom's cable/DSL/set-top/ VoIP chipsets
• OneDriver: Single driver across platforms simplifies driver update process and improves customer satisfaction
• Designs meet Pb-free/RoHS worldwide requirements
• SecureEasySetup for simple Wi-Fi setup and security configuration

APPLICATIONS

• Wireless client cards for desktop and notebook PCs (PCI, PCI Express, MiniCard, MiniPCI, CardBus, and WWF form factors)
• High-performance draft-802.11n router solutions with the BCM4704 SoC
• Home multimedia entertainment wireless networks
• Consumer Wi-Fi devices and other embedded applications requiring high-performance throughput and range

Intensi-fi Reference Designs