| 摘要 |
PROBLEM TO BE SOLVED: To provide a ceiling installation body and radio transmission system which is capable of utilizing the merit of using radio waves of a millimeter wave band at a maximum, in particular, is suitable for use within an isolated space such as in a room of a house or in a private room, the radio transmission system being configured to use radio waves of the millimeter wave band. SOLUTION: The ceiling installation body comprises a hook sealing part and a hook part to be hung on the hook sealing part and in this ceiling installation body, the hook sealing part comprises a transfer cable connector and a radio communication device. The ceiling installation body is characterized in that the transfer cable connector is provided so as to be connected with a data transfer plug. COPYRIGHT: (C)2008,JPO&INPIT
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