Wi-Fi module, also known as serial Wi-Fi module, belongs to the Internet of Things transmission layer.
Its function is to convert the serial port or TTL level into an embedded module that conforms to the Wi-Fi wireless network communication standard. The built-in wireless network protocol IEEE802.11b.gn Protocol stack and TCP/IP protocol stack. The traditional hardware device embedded in the Wi-Fi module can directly use Wi-Fi to connect to the Internet, and is an important part of implementing Internet of Things applications such as wireless smart home and M2M.
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