Chengdu Ebyte Electronic Technology Co.,Ltd.
E30-900MBL-01 User Manua
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Chengdu Ebyte Electronic Technology Co.,Ltd.
14
4. Common problem
4.1 Unsatisfactory transmission distance
When there is a straight line communication obstacle, the communication distance will be attenuated
accordingly;
Temperature, humidity, and co-frequency interference will increase the communication packet loss rate;
The ground absorbs and reflects radio waves, and the test effect is poor when it is close to the ground;
Sea water has a strong ability to absorb radio waves, so the seaside test effect is poor;
If there is a metal object near the antenna or placed in a metal shell, the signal attenuation will be very serious;
The power register is set incorrectly, and the air speed is set too high (the higher the air speed, the closer the
distance);
The low voltage of the power supply at room temperature is lower than the recommended value, and the lower
the voltage, the lower the power output;
The matching degree of the antenna and the module is poor or the quality of the antenna itself is problematic.
4.2 Module is easily damaged
Please check the power supply to ensure that it is within the recommended power supply voltage. If it exceeds the
maximum value, it will cause permanent damage to the module;
Please check the stability of the power supply, and the voltage should not fluctuate significantly and frequently;
Please ensure that the installation and use process is anti-static, and high-frequency components are
electrostatically sensitive;
Please ensure that the humidity should not be too high during installation and use, and some components are
humidity sensitive devices;
If there is no special requirement, it is not recommended to use at too high or too low temperature
4.3 Bit error rate is too high
There is co-frequency signal interference nearby, stay away from the interference source or modify the
frequency and channel to avoid interference;
Unsatisfactory power supply may also cause garbled codes. Be sure to ensure the reliability of the power supply;
Poor or too long extension cables and feeders can also cause high bit error rates.
Revise history
Version
Date
Revision description
Issued by
1.0
2021-09-22
Initial version
JH
