Quectel_UC20_TCPIP_AT_Commands_Manual_V1.2.pdf
ThemoduleembedsaTCP/IPstack.HostisabletoaccesstheInternetdirectlyoverATcommands.It
canreducethedependenceonthePPPandTCP/IPprotocolstackandthusminimizethecost.The
moduleprovidesthefollowingsocketservices:TCPclient,UDPclient,TCPserver,UDPservice.
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