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请教关于rf芯片关于传输距离的问题
2012-3-6 12:56
- 物联网技术
- 10
- 3834
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
为什么读卡器里有2个无线收发芯片?
2012-3-5 22:40
- 通信技术
- 6
- 1711
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教无线模块的选型
2011-7-12 10:42
- 通信技术
- 14
- 3216
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
无线模块用315MHZ的好还是433MHZ的好
2011-7-8 12:46
- 侃单片机论坛
- 2
- 3871
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
供应无线标准模块与透传模块
2011-6-12 00:17
- 供需广告
- 1
- 749
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
无线透明传输模块 支持串口和TTL电平
2011-1-4 22:30
- 供需广告
- 0
- 889
调查适合单片机工程师用的笔记本型号
2011-5-13 12:53
- 侃单片机论坛
- 86
- 16171
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