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3DR uBlox LEA-6H高性能接收器直接兼容APM 飞控。6H模块自带Flash和温补，搜星速度及精度优于6M。6H GPS 配套圆形外壳和支撑，接口线默认APM式样。带罗盘6H 式样，出线端子直接兼容APM串口和I2C端口，即插即用出厂 波特率 38400，刷新率5hzAPM 3DR GPS导航模块电路设计中涉及到重要芯片包括UBLOX-LEA-6、HMC5883L、TPS79133DBV等。APM 飞控3DR uBlox LEA-6H导航模块实物截图：
APM 3DR GPS导航模块特性如下：
- ublox LEA-6H module
- 5 Hz update rate
- 25 x 25 x 4 mm ceramic patch antenna
- LNA and SAW filter
- Rechargeable 3V lithium backup battery
- Low noise 3.3V regulator
- I2C EEPROM for configuration storage
- Power and fix indicator LEDs
- Protective case
- ArduPilot Mega compatible 6-pin JST connector
- Exposed RX, TX, 5V and GND pad
- 38 x 38 x 8.5 mm total size, 16.8 grams.
APM 3DR GPS导航模块电路 PCB截图：
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