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


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.

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