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What is the Problem with Wireless Modules not Communicating Properly?
What is the problem of not being able to communicate properly between wireless modules such as a/b/g/n/ac Wi-Fi Module? There are three main problems, which are detailed by the wireless module manufacturer, providing b/g/n Wi-Fi Module.
(1) We first check if the power supply is connected, whether the data cable is connected properly, and whether the module has normal operation. After the power check is completed, observe whether the signal indicator is correct. When the wireless module receives, the signal light is green, and the transmission is red. Finally check if the module is damaged (whether the signal will flash after normal power-on)
(2) Whether the module is in normal communication mode.
(3) Check whether the frequency band, channel, and air rate set between the wireless modules are consistent.