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今天刚好收到美国和中 国订的APM 零件，快快来个大合照吧！
左边两个是中 国雷迅，右边两个是美国DIYdrones！
3DR Radio USB-915 Mhz "地面" "天空 模块
- Very small size
- Light weight (under 4 grams without antenna)
- Available in 900MHz MHz
- Receiver sensitivity to -121 dBm
- Transmit power up to 20dBm (100mW)
- Transparent serial link
- Air data rates up to 250kbps
- MAVLink protocol framing and status reporting
- Frequency hopping spread spectrum (FHSS)
- Adaptive time division multiplexing (TDM)
- Support for LBT and AFA
- Configurable duty cycle
- Built in error correcting code (can correct up to 25% data bit errors)
- Demonstrated range of several kilometers with a small omni antenna
- Can be used with a bi-directional amplifier for even more range
- Open source firmware
- AT commands for radio configuration
- RT commands for remote radio configuration
- Adaptive flow control when used with APM
- Based on HM-TRP radio modules, with Si1000 8051 micro-controller and Si4432 radio module
价钱比Xbee平，但得100mw，只适合玩四轴，加booster去到500-1000mw就可以玩飞机。有无师兄提供booster的连结?
[ 本帖最后由 monkey1 于 2012-5-16 15:54 编辑 ] |
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发表于 2012-5-16 13:52
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