Wireless PC/104-Plus module links industrial nodes
By Warren Webb -- EDN, January 20, 2005
WinSystems’ new PPM-Wireless module provides industrial users with a high-speed data network based upon Mini-PCI 802.11b/g wireless modules and Ethernet (Picture). The module allows designers to replace a standard Category 5 Ethernet cable with a radio channel that simplifies cabling installation and configuration issues.With many of the features and functions of a normal PCI card but at about one-quarter the size, the 90×96-mm, PC/104-Plus-compliant module has onboard interface electronics and a MiniPCI connector. Mini-PCI cards suit use in mobile applications.
WinSystems ships the PPM-Wireless with an empty Mini-PCI socket or with an Intel Pro/Wireless 2200BG Mini-PCI card. The Wi-Fi-certified Intel 2200BG module delivers channel speeds as high as 54 Mbps and maintains full backward compatibility with 802.11b networks. The 2200BG network connection also supports security standards, such as WPA (Wi-Fi Protected Access), and users can upgrade it using software downloads for future security standards, such as 802.11i, when it becomes available.
Typical indoor range is 100 ft at 54 Mbps or 300 ft at 1 Mbps, but it depends on which MiniPCI module you use and the system’s antenna type and placement. Delivery is from stock to three weeks, and prices start at $149 without the Mini-PCI module.
WinSystems, www.winsystems.com.
