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Compatible With 4G / 3G / 2G Public Network
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Unlimited Call Distance
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4000mAh Large Battery
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Call Palyback Function
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GPS / Beidou Geographic Location
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Powerful Management Platform
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Brushed panel, oxidation resistance, high temperature resistance and corrosion resistance
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Large group user capacity, support user grouping, professional voice management
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Ensure that preset users, groups, give priority to emergency instructions
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