| 摘要 |
PURPOSE: An earphone jack protection device for the extension of a personal portable hot spot is provided to enable an antenna to be installed by using an earphone jack, thereby improving efficiency. CONSTITUTION: A personal hot spot extension device includes an accessory part (10), an insertion part (11), and a memory chip and transmission/reception part. The personal hot spot extension device is easily connected to an earphone jack. The personal hot spot extension device has an earphone jack protection function. A program enabling the device to be recognized as an antenna is installed at the memory chip and transmission/reception part. The memory chip and transmission/reception part is connected with the insertion part by a thin wire.
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