Quectel_BC20_TCP(IP)_AT_Commands_Manual_V1.0_Preliminary_20180903.pdf
QuectelBC20modulefeaturesembeddedTCP/IPstack,whichenablesthehosttoaccesstheInternetdirectlyoverATcommands.ThisgreatlyreducesthedependenceonPPPandTCP/IPprotocolstacksandthusminimizesthecost.QuectelBC20moduleprovidesthefollowingsocketservices:TCPclientandUDPclient.
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