Waveshare AlphaBot User Manual page 27

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AlphaBot User Manual
declares the number of bit occupied by the address in the RF data package,
enabling the NRF24L01+ to make a distinction between the data and the address;
Receive channel, receive the address of data, the address from channel 0 to channel
5; CRC checking, NRF24L01+ can generate CRC code and perform decoding;
Working frequency, configurable between 2.4GHz to 2.524GHz with the interval of
1MHz; Transmission power, affects the communication distance and the power
consumption of the whole device; Communication rate, selectable of 1Mbps or
2Mbps.
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