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SD memory cards adopt wireless standard

Posted: 23 Jan 2012     Print Version  Bookmark and Share

Keywords:SD  memory card  standard  wireless 

The SD Association announced a memory card standard that combines storage and wireless capabilities. The standard is seen to enable the transformation of millions of everyday consumer electronics into wireless LAN devices with portable storage and communications. The move is part of the Association's strategy to expand SD services and features by incorporating other global standards.

The Wireless LAN SD standard will let consumers transfer pictures, videos and other content wirelessly from most existing digital cameras and digital video cameras to web-based cloud services and between SD devices over home networks. It combines the memory card storage standard with the ubiquitous wireless standard IEEE 802.11a/b/g/n. It will apply to full size SD/SDHC/SDXC and microSD/SDHC/SDXC memory cards. It taps into a billions-strong SD standards market for which manufacturers can develop products and consumers can reliably use Wireless LAN applications.

Michael Yang, senior principal analyst, memory and storage, IHS iSuppli, notes that "As cloud servers and wireless technologies continue to penetrate the consumer experience, wireless accessibility will become increasingly more important." He adds, "The addition of wireless capability to the existing SD memory card standard, will enable SD memory cards to remain relevant to shifting market demand, and add value to consumers and manufacturers of new cameras, tablets, and mobile phones."

Having wireless communication capabilities in memory cards will let consumers upload photos and video wirelessly from a camera or video camera to a computer or server for sharing or backup. It will also let them wirelessly download pictures from servers with cameras and video cameras using Wireless LAN SD memory cards. Thus, consumers will be able to share pictures and videos without email or physical card transfers, including peer-to-peer picture and video transfers from cameras to smart phones and tablets wirelessly without an access point. They will also let consumers use Wireless LAN SD memory cards as wireless control points for other devices, such as TVs, in a home network.

The Wireless LAN SD memory card standard defines two interface types, the Web interface, designated by a W symbol, supports server upload and peer-to-peer functions; and the home network interface designated by a D symbol, supports server upload and home network communication functions. A Wireless LAN SD memory card can provide both of the wireless communication types, designated by both symbols.

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