Chengdu Ebyte Electronic Technology Co., Ltd
MBL Evaluation Kit User Manual
Copyright ©2012–2019
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Chengdu Ebyte Electronic Technology Co., Ltd
7
Chapter 3 Frequently Asked Questions
3.1 The transmission distance is not ideal
When there is a linear communication obstacle, the communication distance will be attenuated accordingly;
Temperature, humidity, and co-channel interference will lead to an increase in the packet loss rate of communication;
The ground absorbs and reflects radio waves, and the test effect near the ground is poor;
Seawater 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 case, the signal attenuation will be very serious;
The power register is set incorrectly, and the air rate is set too high (the higher the air rate, 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
smaller the power;
The use of antennas is poorly matched with the module or the quality of the antenna itself.
3.2 Modules are easily damaged
Please check the power supply to ensure that between the recommended supply voltage, if the maximum value is exceeded, it
will cause permanent damage to the module;
Please check the stability of the power supply, the voltage should not fluctuate greatly and frequently;
Please ensure that the installation and use process of anti-static operation, high-frequency devices electrostatic sensitivity;
Please ensure that the humidity during installation and use should not be too high, and some components are humidity sensitive
devices;
If there is no special need, it is not recommended to use it at too high or too low temperature.
3.3 The bit error rate is too high
There is co-channel 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 characters, be sure to ensure the reliability of the power supply;
Poor quality or too long extension wires and feeders will also cause high bit error rates.
