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Wi-Fi superchip threatens Bluetooth
Contributed by: G3nu1n3, at 11/12/2004 08:27:00 PM.

Bluetooth specialist CSR has packed a triple-mode a/b/g Wi-Fi adapter into a single ultra-small chip, complete with multiple antennas ready for 802.11n MIMO, making possible wireless Ethernet as standard on smartphones within two years.

"Bluetooth will stay around for audio and for when you're on the road," said James Collier, CSR's chief technical officer and co-founder. "But we feel Wi-Fi will emerge too - for example, to work with commercial access points." He added that emerging smartphone applications such as video streaming, uploading high-resolution camera-phone images, VoIP and rich e-mail could all require Wi-Fi's extra speed.

CSR chief executive John Hodgson expects the percentage of phones with Wi-Fi to be in the low teens by mid-2006. "That's still 100 million phones a year," he pointed out.

Called UniFi, the CSR chip is 6mm square and contains all the logic needed for Wi-Fi, including a hardware MAC with its own TCP/IP stack. Collier said one of his customers would use UniFi to build a complete double-sided Wi-Fi module just 8mm square - several times smaller than the modules used in PDAs today.

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