WiMedia ultra wideband (UWB) chipset solutions provider Wisair has expanded its line of chipsets with the introduction of the 542 chip, based on certified wireless USB from the USB-IF. Proven in silicon, the new 542 chip provides a high-performance wireless solution for PCs and laptops, PC peripherals, and consumer electronics devices such as wireless hubs, external hard drives, digital cameras, camcorders, and portable media players.