| 摘要 |
A mobile object terminal device is capable of data transmission/reception by first and second identification information. The mobile object terminal device is characterized in having a mode changing means for changing one of first mode, second mode and common mode, and a control means upon transmission, which performs transmission by the first identification information in the first mode, performs transmission by the second identification information in the second mode, and performs transmission by either the first identification information or the second identification information in the common mode.
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