ChargePoint Power Block Design Manual page 45

A consistently strong mobile signal is needed before installers can activate the vehicle charging station.
Weak or sporadic signal can affect crucial aspects of the charging station, including:
Accuracy in reporting
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Ability for drivers to use the mobile app
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Ability for customer support to troubleshoot problems
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Support for advanced features such as Power Management or Waitlist
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A strong signal is also required for the ChargePoint Assure maintenance and management programmes.
ChargePoint stations use mobile data connections to reach ChargePoint cloud services. This allows secure,
PCI-compliant data connections without requiring any other form of Internet connectivity at an install site
or imposing additional network management responsibilities on a site host.
Each station has its own mobile connection.
Connectivity
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