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| 文檔標題： | Packet Data Optimised (PDO) |
| 發布時間： | 2012-09-05 21:11:29 |
| 文檔簡介： | This is a completed part of the TETRA suite of standards produced for Data Only wireless communication applications.To date, no manufacturer has developed PDO systems and products because all traditional Professional Mobile Radio (PMR) use |
