Tri-band chip for Wi-Fi 6E opens up spectrum

Tri-band chip for Wi-Fi 6E opens up spectrum

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The CW641 chip from NXP Semiconductors is a tri-band SoC that supports the 6GHz band and is designed for use in access points and service provider gateways.
By Peter Clarke

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It supports 160MHz channel bandwidth with PHY rates of 4.8Gbps and over 4Gbps of real-world throughput. The 6GHz spectrum is additional to the 2.4 and 5GHz bands of standardized for previous generations of Wi-Fi.

The Wi-Fi 6 standard uses bandwidth enhancing techniques in the 2.4 and 5GHz bands while Wi-Fi 6E extends to cover an additional 1.2GHz of bandwidth around 6GHz spectrum.

This opens up the prospect of in-home mesh communications and streaming of multiple channels of high-resolution video. The CW641 SoC is also applicable for Wi-Fi 6E applications across consumer, automotive, industrial, and Internet of Things (IoT).

Key features of the CW641 include:

4×4 Wi-Fi device with 4-spatial streams

Supports 6GHz, 5GHz and 2.4GHz operation

160/80/40/20MHz channel bandwidth

Peak PHY rate of 4.8Gbps

Uplink and downlink OFDMA

Uplink and downlink MU-MIMO

The CW641 is sampling.

Related links and articles:

www.nxp.com

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