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| DBIS is the system that can ameliorate the wireless environment regarding large-scale buildings during inevitable generation during base station design. This system consists of four units: MHU, SMHU, RFE, and RU. |
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| DBIS MHU Front Panel |
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| DBIS MHU Right-Side Panel |
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| DBIS RFE |
DBIS SMHU |
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