Renesas Electronics adds RL78/G1H to Wi-SUN FAN-compliant portfolio

Renesas Electronics’ RL78/G1H-based sub-GHz wireless solution has been certified under the Wireless Smart Ubiquitous Network for Field Area Network profile (Wi-SUN FAN) communication standards.

The Wi-SUN Alliance is an international industry group that specifies wireless communication standards used within the Sub-GHz band. 

Tessera Technology TK-RLG1H+SB2 evaluation board incorporates the Renesas 16-bit RL78/G1H microcontroller with integrated wireless functionality and a Wi-SUN FAN communication control software stack. The combination enables customers to develop Wi-SUN FAN-compliant devices quickly and easily, says Renesas, reducing the time required for certification in the development process by approximately one year.

“Wireless frequencies in the sub-GHz band are relatively unaffected by obstacles such as  walls and buildings, which makes it possible to transmit data over longer distances in urban settings, and Wi-SUN FAN is gaining popularity as a wide-area wireless network standard with mesh network support,” said Toru Moriya, vice president, Emerging Market business division at Renesas. “Our certified RL78-based wireless solution will alleviate the development burden associated with sensor network applications such as logistics and infrastructure management, and accelerate the widespread adoption of Wi-SUN FAN to realize smart cities and smart grids,” he added.

In addition to the certified RL78 wireless solution, Renesas offers a dual-chip solution combining the 32-bit RX651 microcontroller and the RAA604S00 wireless communications IC. This solution was Wi-SUN FAN certified in 2019.

Customers can develop gateway applications, such as border routers between FAN and wide area network (WAN) or terminal applications, such as routers, using products from Renesas’ Wi-SUN FAN portfolio, according to required specifications, such as microcontroller processing performance, memory capacity, or power efficiency.

Intended end applications are smart meter power usage visualisation, smart illumination, sensor management in factories or office buildings, and equipment operation monitoring.

A communication control software for the Wi-SUN certified RL78/G1H solution will be available by September 2020.

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