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AN4392

An overview of ARIB regulations

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An overview of ARIB regulations

Low power, non-licensed devices operating in the 2400 - 2483.5 MHz band are found

everywhere, such as toys, wireless security systems, wireless telemetry, wireless automatic

meter reading applications, and so on.

In Japan, the unlicensed use of short range devices in the 2.4 GHz ISM band is regulated by

The Association of Radio Industries and Businesses (ARIB) standard STD-T66: “Second

generation low power data communication system/Wireless LAN system”.

The communication method is limited to digital signals (including spread spectrum).