Broadcom announces the first chip wi
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Broadcom has announced the first 6E Wi-Fi chip for mobile devices, supporting 160MHz channels across the 6GHz wireless spectrum that the FCC may soon open for use in the United States.
Wi-Fi 6E band offers up to 1, 200MHz of additional bandwidth
Dedicated bandwidth will add a third frequency band to the traditional Wi-Fi spectrum. Most Wi-Fi networks and devices today use the 2.4GHz and 5GHz frequency bands. The new standard will take advantage of contiguous blocks within the unlicensed frequency spectrum from 5.925- to 7.125GHz. Essentially, Wi-Fi 6E is simply Wi-Fi 6 (802.11ax) with a wider bandwidth.
Wi-Fi supports a large amount of the burden of global Internet traffic, but has a limited amount of bandwidth to handle it: There is just 70MHz of spectrum in the 2.4GHz band, and 500MHz of spectrum in the 5GHz band. The 6GHz band offers up to 1, 200MHz of additional bandwidth, enough to support 14 new 80MHz wide channels, and seven new 160MHz wide channels.
All of these new channels will mean less congestion on wireless networks at home, at work, and on the go. But as you may have guessed, they will need new equipment to take advantage of that spectrum. 6E Wi-Fi chips like Broadcom's will be compatible with 2.4 and 5GHz networks, but will only offer higher speeds when connected to Wi-Fi access points and routers that also operate on the new 6GHz spectrum.
Visit our guide on the best routers on the market
Broadcom says its BCM4389 chip will have 2.63Gbps throughput at the physical layer. Performance in the real world will surely be significantly lower, but still very fast. The chip will also make use of technologies introduced with previous versions of Wi-Fi, including multi-user MIMO, OFDMA, and 1024-QAM modulation.
BCM4389 should be shipped and available on client devices in late fall 2020. We'll keep you posted.
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