Preliminary Data Sheet

12/11/01

Altima Communications, Inc.

A Wholly Owned Subsidiary of

Broadcom Corporation

P.O. Box 57013

16215 Alton Parkway

Irvine, California 92619-7013

Broadcom Corporation reserves the right to make changes without further notice to any products or data herein to improve reliability, function, or design.

Information furnished by Broadcom Corporation is believed to be accurate and reliable. However, Broadcom Corporation

does not assume any liability arising out of the application or use of this information, nor the application or use of any product or

circuit described herein, neither does it convey any license under its patent rights nor the rights of others.