Xircom Ships RealPort2 ISDN Integrated PC Card.

Business Editors

THOUSAND OAKS, Calif.--(BUSINESS WIRE)--May 23, 2000

New RealPort2 Integrated PC Card With Built-in Connectors

and Mix and Match Flexibility Provides Notebook Users High-speed

128Kbps ISDN Access

Xircom, Inc. (Nasdaq:XIRC), the leading provider of mobile information access solutions, today announced it is now shipping the RealPort2 ISDN Integrated PC Card.

An extension of the award-winning RealPort PC Card family, the RealPort2 ISDN card provides notebook users with high-speed 128Kbps ISDN data connections, twice the speed of the fastest analog modem. Featuring Xircom's patented, robust integrated connector system, the RealPort2 ISDN card can be used alone or mixed and matched with other RealPort2 cards including Ethernet, 56K modem and wireless data (via your mobile phone). Visit www.xircom.com/realport2 for detailed information on other RealPort2 cards available.

Personalized, Hassle-free Mobile Information Access

As the number of access technologies available continues to grow and diversify, Xircom incorporates them into form factors that allow the customers to personalize and select the technologies for their specific information access needs. RealPort2 Integrated PC Cards provide additional flexibility by allowing users to select from separate function cards and combine them together for a fully customized, cable-free solution. The RealPort2 Integrated PC Card incorporates Xircom's patented integrated connector system. By simply flipping one card over, two RealPort2 adapters can be combined and used in all standard Type III PCMCIA slots.

Key Features and Benefits

Key features of the RealPort2 Integrated PC Card include:

Reliable High-Speed Internet Access

-- Combines both 64 Kbps B-channels to deliver high-speed 128K

Internet access--two times faster than an analog modem

Integrated Connector System

-- Integrated ISDN connector eliminates the hassles of lost or

forgotten cables and broken pop-out jacks

-- Uses standard RJ-45 ISDN cable

Mix-and-Match Expansion

-- Use card alone or mix and match your own RealPort2 access

combinations now and when future technologies come to the

market

-- Additional cards include 56K modem, wireless data access via

your mobile phone, Ethernet and more

Flexibility Across Platforms

-- Worldwide usability: supports all protocols for the major ISDN

countries, including Europe, Japan, US, Australia and others

-- WAN Miniport drivers provide better integration with native

Windows 95, Windows 98, Windows NT4.0 and Windows 2000

applications

-- Includes CAPI 2.0 drivers allowing use of a wide range of

standard ISDN applications

-- Virtual port emulator allows access to standard communications

software, BBS and T-Online services via standard AT commands

-- Plug and Play installation in Windows 95, Windows 98, and

Windows 2000

-- Allows Group 3 and Group 4 faxing through ISDN

-- Provides LAN access via Windows 95, Windows 98, Windows 2000

and Windows NT4 dial-up or other ISDN RAS application

Pricing and Availability. The Xircom RealPort2 ISDN Integrated PC Card is currently available in Europe and North America through Xircom's network of distributors, valued-added resellers (VARs) and system integrators. It will be available in APAC and Japan in Summer/Fall 2000.

RealPort2 ISDN Integrated PC Cards       Model Number         US SRP

RealPort2 ISDN (for US, Canada,
Latin America, Europe, Middle East,
Africa)                                      R2I               $259

RealPort2 ISDN bundled with NT1
(for US, Canada)                             R2I-NT1           $409

About Xircom, Inc.

For over a decade mobile professionals around the world have relied on Xircom for access to their information anytime, anywhere. Xircom designs and develops innovative solutions that connect mobile users worldwide to corporate networks, the Internet, Intranets and other online resources. Xircom sells and supports its products in over 100 countries through distributors, resellers, electronic channels and global OEM partnerships. Headquartered in Thousand Oaks, Calif., with regional headquarters in Belgium, Japan and Singapore, Xircom has 1,700 employees worldwide and trailing four-quarter revenue of $459 million. Please visit http://www.xircom.com for more information.

Note to Editors: Xircom is a registered trademark of Xircom, Inc. RealPort and RealPort2 are trademarks of Xircom. Other company or product names have been used for identification purposes only and may be trademarks or registered trademarks of their respective companies.

Xircom is headquartered in Thousand Oaks, Calif., and has regional headquarter offices in Antwerp, Belgium, Tokyo, Japan and Singapore. US Sales: 800/438-4526. Telephone: [phone] Fax: [phone].