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Graeme Wearden

Special to CNET

The Wi-Fi Alliance appears to have lost patience with vendors that have been jumping the gun by launching wireless products using standards that haven’t yet been approved by the group.

Several manufacturers launched equipment that they claimed supported 802.11g several months before the standard was formally certified.

In an announcement on Monday, the standards group said it wouldn’t tolerate the same performance over the forthcoming 802.11n standard, which is planned to offer connection speeds of up to 135mbps. It claims that pre-standard products present an “inherent risk” to technology providers.

“Due to the potential for customer confusion, the Wi-Fi Alliance strongly discourages use of the term ‘IEEE 802.11n’ in association with any Wi-Fi certified product,” the Wi-Fi Alliance said in a statement.

“To help assure that Wi-Fi technology users continue to have a positive experience, the Wi-Fi Alliance will revoke the Wi-Fi certification of any product with claims of IEEE 802.11n capabilities if that product is proven to adversely impact the interoperability of other Wi-Fi certified products,” it added.

The Wi-Fi Alliance is made up of wireless vendors, which could be why it steered away from directly criticizing the past behavior of some members. It did, though, quote the concerns of a wireless analyst.

“Vendors took advantage of unsuspecting buyers when they touted pre-standard technology for 802.11g that later did not meet the standard,” said Ken Dulaney of Gartner.

“Left unchecked, the industry is unfortunately poised to repeat itself with 802.11n,” he added.

802.11n isn’t expected to be standardized until 2006, and at this stage it isn’t clear which of a number of competing technologies will be incorporated in the final version.

Despite this, the first kit referring to 802.11n is poised to slip onto the market. Belkin will begin selling “pre-802.11n” cards and routers later this month which contain antenna technology likely to be included in some form in the final standard.

The Wi-Fi Alliance said that its certification process is important because it tests whether equipment from different manufacturers is interoperable. Without it, a customer can’t be sure that a kit from one vendor will work with another.

In July, the alliance warned that irresponsible manufacturers that are jeopardizing the widespread adoption of the technology by releasing incompatible products would lose their certification.

Graeme Wearden of ZDNet UK reported from London.