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http://www.sparkfun.com/products/9087
- 3.3V @ 256mA
- 9.6kbps Max data rate
- 100 mW power output (up to 15 mile range!!)
- RPSMA antenna connector
- Local or over-air configuration
- AT command set
- ISM 900 MHz operating frequency
- Industrial (-40° C to +85° C) temperature rating
- Fully FCC certified
- Approved for use in the United States and Canada (no regulatory approvals for Europe Australia, or Japan)
- Advanced networking and low-power modes supported
15mile = 24km
24公里的双向传输距离啊,猛死!
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