正翻译步骤 3
步骤 3

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Our Elster REX2 smart meter is labeled as Type R2S. The 2S model has an operating voltage rating of 240 V ranging from 192 V to 288 V at a nominal frequency of 60 Hz.
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Elster's meters operate on 25 channels across the 902-928 MHz ISM band using a controlled path mesh.
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If a specific household has concerns about their meter being used as a repeater, they can contact their utility company to request that their Elster meter transmits power readings just once a day.