User's Manual

Shenzhen hailingke Electronico.,Ltd
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3.3.2 Remote connection
The HLK-M35 module as STA, connect to the Internet through the gateway(AP). Module is set
to TCP Client, points to the server, the server is set to TCP Sever.The user device is connected
to HLK-M35 through the serial port, and its data can be sent to the server to process and
storage.The service can send commands to control the user’s equipment
4. At command Instruction
4.1Mode conversion
When HLK-M35 module power on,it will enter transparent transmission mode,you can pull
down the voltage of the ES/DST pin to let the module enter AT mode.Transparent transmission
mode and at mode can change like this: