Taipei, December, 23, 2003- Silicon Integrated Systems Corp. (SiS), a leading supplier of core logic chipsets, and PCTEL corporation today announced a joint partnership to offer complete wireless solutions using the SiS162 wireless LAN chipset and Segue™ Soft Access Module (SAM) software. The solution is based on the IEEE 802.11x wireless standard and will be intended for mobile users. The SiS-PCTEL solution will simplify wireless access for end-users, providing a Windows-based software access point for WLAN cards.

PCTEL is dedicated to providing high value wireless software solutions for the wireless Internet access and wireless network monitoring industries. Established in 1994 at the dawn of the Internet age, PCTEL is now recognized as the market leader in its field. With PCTEL's Segue™ SAM software, users have an easy-to-use Windows-based interface for wireless network connections. The flexibility of Segue™ allows it to be used in a home environment with other wireless devices for true Wi-Fi broadband distribution around the home, or in meetings for true Wi-Fi conferencing.


Instant Wi-Fi data conferencing at the office! Home Wi-Fi distribution of broadband!

The SiS162 WLAN chip, combined with SiS core logic chipsets, are a true integrated solution long sought after in the IT industry. By combining a SiS desktop or notebook integrated chipset with the SiS162 WLAN chipset, vendors and end-users have a reliable, high performance wireless-ready platform that simplifies sales and provides for the best possible customer service and support.

About the SiS162 WLAN chipset
The SiS162 is a single-chip wireless LAN Medium Access Controller (MAC) and Baseband processor (BBP), which fully provides the features and functionality needed for the MAC protocol of the IEEE 802.11b standard. The SiS162 applies the innovative MAC and Baseband core engine architecture and is designed to provide good performance with lower power consumption and enhances the advantages of robust system and cost-performance effectively. It is designed for the use on high volume mobile PC modules, Card Bus adapter cards, USB 2.0 dangles and build-in notebook systems.

About Silicon Integrated Systems Corp. (SiS)
Silicon Integrated Systems Corp. (SiS) is a worldwide leader in the development, manufacturing and marketing of leading-edge logic products, including core logic, multimedia, connectivity and information appliance. The company was founded in 1987 in the Hsin-Chu Science-based Industrial Park in Taiwan and has been listed on the Taiwan Stock Exchange (TSE2363) since August 1997. For more information, please visit http://www.sis.com
About PCTEL
PCTEL, founded in March 1994, is a leading provider of Wi-Fi and cellular mobility software, software-defined radio products and access technology. PCTEL's products include WLAN software products (Segue™ Product Line) that simplify installation, roaming, Internet access and billing. The company maintains a portfolio of more than 115 analog and broadband communications and wireless patents, issued or pending, including key and essential patents for modem technology. The company's products are sold or licensed to PC manufacturers, PC card and board manufacturers, wireless carriers,