| 摘要 |
A network analyzer is provided to analyze a packet by using a universal serial communication method and express the analyzed packet in graphic. A detector monitors a network connection situation of a wireless communication network. A wireless communication module performs universal serial communication. A packet is inputted to an analyzer. The inputted packet is expressed in graphic. A connection state of a network is expressed through the expressed packet. A network manager directly observes the network connection state with naked eyes.
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