Chengdu Ebyte Electronic Technology Co.,Ltd. E90-DTU (433L33)-V8_User Manual_EN
Copyright ©2012–2022，Chengdu Ebyte Electronic Technology Co.,Ltd 15
communication distance is often affected by temperature, humidity, obstacle density, obstacle volume, and electromagnetic
environment; in order to ensure stable communication, it is recommended to reserve more than 50% The communication
distance margin.
10. If the measured communication distance is not ideal, it is recommended to analyze and improve the communication distance
from the antenna quality and antenna installation method. You can also contact support@cdebyte.com for help.
11. When selecting the power supply, in addition to keeping 50% of the current margin as recommended, it should also be noted
that its ripple must not exceed 100mV.
12. Wireless communication products need to be connected to an impedance-matched antenna to work normally. Even short-term
tests cannot be omitted. Product damage caused by this reason will not be covered by the warranty.
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