O V ERVI EW

®

Phone: 949-450-8700

Fax: 949-450-8710

E-mail: info@broadcom.com

Web: www.broadcom.com

BROADCOM CORPORATION

16215 Alton Parkway, P.O. Box 57013

Irvine, California 92619-7013

© 2006 by BROADCOM CORPORATION. All rights reserved.

94311-PB01-R

03/15/06

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Corporation and/or its affiliates in the United States, certain other countries and/or the EU. Any other

trademarks or trade names mentioned are the property of their respective owners.

BCM94311 Functional Block Diagram

BCM94311 Specifications

Item

Description

Interface

USB 1.1 Host interface, PCIe™, GPIO, UART, JTAG

System bus support

PCIe

Standard

IEEE 802.11g with external radio BCM2050, 802.11a with external radio BCM2060

Data rate

802.11g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps; 802.11b, 11, 5.5, 2, 1 Mbps

Modulation

OFDM, CCK, DQPSK, DBPSK

Network architectures

Infrastructure and ad hoc

Operating frequencies

2.4 GHz—2.497 GHz, 4.9 GHz —5.85 GHz with 2060 option

Operating channels

11 for North America; 13 for Europe, and 14 for Japan

RF output power

20 dBm maximum

Antenna connectors

Hardware diversity support—Transmit and Receive

Power requirements

3.3V for reference designs

Security

802.1x; WEP; WEP2; WPA, WPA2; TKIP; WEP128; Weak-key avoidance; CCX, CCX 2.0; 128-bit OCB mode AES, 802.11i

Software support

Microsoft

Certifications

IEEE 802.11 compliant; WI-FI CERTIFIED™; ACPI power management

TxBalun

RxBalun

FEM

SPROM

Threshold

Detector

& Switch

Switching

Regulator

Supply

Filtering

Crystal

VAUX

RF Connector

Main Antenna

RF Connector

Aux Antenna

PCIE

RF filtering

Tx/Rx, Ant. Sel. ctrl

TSSI

BCM4311

IEEE 802.11a/b/g

Baseband/MAC &

System Interface

BCM2050 or

BCM2060

IEEE 802.11b/g

or 802.11a Radio

• BCM4311: 196-pin package

• BCM94311: Reference design