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Single band WiFi companion chip for low cost IoT designs

Single band WiFi companion chip for low cost IoT designs

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By Nick Flaherty



Nordic Semiconductor has developed a single band WiFi6 companion chip for low cost designs on the Internet of Things (IoT).

The nRF7001 operates in the 2.4GHz band only and complements the dual band nRF7002 with Target Wake Time (TWT), a key WiFi 6 power saving feature. This reduces the bill of materials (BoM) for designs requiring single band capability for smart home, smart city, industrial automation, and other low power Wi-Fi IoT applications. 

Like the nRF7002, the nRF7001 companion IC can be used together with Nordic’s nRF52 and nRF53 Series multiprotocol Systems-on-Chip (SoCs) and the nRF9160 cellular IoT (LTE-M/NB-IoT) System-in-Package (SiP). It can also be used in conjunction with non-Nordic host devices through the Serial Peripheral Interface (SPI) or Quad SPI (QSPI). The nRF7001 offers a single spatial stream, 20 MHz channel bandwidth, 64 QAM (MCS7), OFDMA, up to 86 Mbps PHY throughput, and BSS colouring.

“The nRF7001 is the perfect complement to the nRF7002 because it offers a drop-in, single band alternative to the dual band companion IC for products that only need to operate in the 2.4 GHz band,” says Ioannis Glaropoulos, Technical Product Manager with Nordic Semiconductor. “The nRF7001 is designed to provide highly reliable 2.4 GHz connectivity and offers all the Wi-Fi functionality of the nRF7002—including compliance with the latest standard and power saving features—but at a lower cost. When matched with Nordic’s nRF52840 operating as a host processor, the nRF7001 offers a cost effective yet high performance Wi-Fi solution.”

The nRF7001 companion IC supports Station (STA), software emulated Access Point (SoftAP), and Wi-Fi Direct operation, and is compatible with the IEEE 802.11b, a, g, n (WiFi 4), and ax (WiFi6) standards and supports coexistence with Bluetooth Low Energy, Thread, and Zigbee.

The chip is included in the nRF Connect SDK, Nordic’s scalable and unified software development kit for building products based on the company’s wireless devices. To develop applications with nRF7001, the nRF7002 Development Kit (DK) can be used, as the nRF Connect SDK supports emulating the nRF7001 IC on that DK.

The nRF7001 companion IC and the nRF7002 DK are available now from Nordic’s distribution partners.

nordicsemi.com/Products/nRF7001

 

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