CEAC-2021-04-April
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Techline<br />
ROHM’s Wi-SUN FAN Module<br />
Solution: Empowering the Infrastructure<br />
of Smart Cities<br />
Santa Clara, CA and Kyoto (GLOBE NEWSWIRE) — ROHM<br />
Semiconductor recently announced its new BP35C5 Wi-SUN<br />
FAN (Field Area Network) compatible module solution capable<br />
of connecting with up to 1,000 nodes in mesh networks<br />
for infrastructure applications. Wi-SUN FAN, the latest Wi-<br />
SUN international wireless communication standard, eliminates<br />
the communication costs associated with conventional<br />
LPWA. At the same time, Wi-SUN ensures superior reliability<br />
through multi-hop networks that automatically switch destinations<br />
after performing signal verification. As such, this<br />
communication technology is expected to see widespread use<br />
in large-scale mesh networks for smart cities and smart grids.<br />
In recent years, wireless technologies such as LPWA have<br />
been increasingly adopted in social infrastructure applications<br />
to configure large-scale area outdoor networks. However,<br />
conventional LPWA protocols (e.g., Sigfox, LoRaWAN,<br />
NB-IoT) are vulnerable to changes in the surrounding<br />
environment (i.e., new building creation), making them susceptible<br />
to problems that include decreased communication<br />
speeds, as well as communication failures.<br />
In response, ROHM’s new Wi-SUN FAN solution utilizes an<br />
in-house developed ultra-small (15.0mm × 19.0mm) BP35C5<br />
Wi-SUN FAN compatible wireless communication module.<br />
This solution is capable of connecting with up to 1,000 devices<br />
(e.g., traffic signals and streetlights), enabling the configuration<br />
of a remote wireless management system covering<br />
an entire city. The BP35C5 also includes the necessary security<br />
functions for carrying out secure communication, without<br />
the need for complicated control. Certifications acquired<br />
under the FCC (Federal Communications Commission) and<br />
ARIB (Association of Radio Industries and Business) allow for<br />
immediate use both in the U.S. and Japan. Other countries<br />
and regions will be supported in the near future.<br />
The BP35C5 solution evaluation board (BP35C5-T01) is available<br />
for purchase now through online distributors Digi-Key<br />
and Mouser.<br />
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50<br />
| Chief Engineer
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