Chengdu Ebyte Electronic Technology Co.,Ltd.
E78-470LN22S User Manual
Copyright ©2012–2021
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Chengdu Ebyte Electronic Technology Co.,Ltd.
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7. FAQ
7.1 Communication range is too short
The communication distance will be affected when obstacle exists.
Data lose rate will be affected by temperature, humidity and co-channel interference.
The ground will absorb and reflect wireless radio wave, so the performance will be poor when testing near ground.
Sea water has great ability in absorbing wireless radio wave, so performance will be poor when testing near the sea.
The signal will be affected when the antenna is near metal object or put in a metal case.
Power register was set incorrectly, air data rate is set as too high (the higher the air data rate, the shorter the
distance).
The power supply low voltage is lower than recommended under room temperature. The lower the voltage is, the
smaller the transmitting power is.
Due to antenna quality or poor matching between antenna and module.
7.2 Module is easy to damage
Please check the power supply to ensure that it is within the recommended value. If it exceeds the maximum value,
the module will be permanently damaged;
Please check the stability of power source, the voltage cannot fluctuate too much.
Please make sure anti-static measures are taken when installing and using, high frequency devices have electrostatic
susceptibility.
Please ensure the humidity is within limited range, some parts are sensitive to humidity.
Please avoid using modules under too high or too low temperature.
8. Important statement
1. EBYTE reserves the right of final interpretation and modification of all contents in this manual.
2. As the hardware and software of the product continue to improve, this manual may be subject to change without
further notice, and the final version of the manual shall prevail.
3. Users of this product need to pay attention to the product updates on our official website, in order to get the latest
information of this product in time.
