| 摘要 |
A device for controlling network access comprising a first transceiver configured in as open access point device, a second transceiver configured in client mode and configured to connect to a second network, and a human detectable output device. The first transceiver device is configured to request and receive a user access security key. Upon matching the output and received security keys, data access to the network is enabled. Further, the device limits the addresses to which a user client device can transmit data. The user access security key required for the connecting to the first transceiver is time varying.
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