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LPWA Module Series

BG96 TCP/IP Application Note

BG96_TCP/IP_Application_Note 40 / 52

3.3.4. Close a Connection

3.4. TCP Client Works in Transparent Access Mode

3.4.1. Set up a TCP Client Connection and Enter Transparent Access Mode

3.4.2. Send Data in Transparent Access Mode

All data got from COM port will be sent to internet directly.

3.4.3. Receive Data from Remote Server in Transparent Access Mode

3.4.4. Close a TCP Client

AT+QICLOSE=0 //Close a connection whose <connectID> is 0. Depending on the

network, the maximum response time is 10 seconds.

AT+QIOPEN=1,0,"TCP","220.180.239.212",8009,0,2 //Context is 1 and <connectID> is 0. Before

using AT+QIOPEN, the host should activate the

context with AT+QIACT first.

CONNECT //TCP client connected successfully. It is

suggested to wait for 150 seconds for the URC

CONNECT. If the URC cannot be received in

150 seconds, the host could use AT+QICLOSE

to close the socket.

Test 1 //All data received from internet will be outputted via

COM port directly.

AT+QICLOSE=0 //After using +++ to exit from the transparent access

mode, the host could use AT+QICLOSE to close the

TCP link. Depending on the network, the maximum

response time is 10 seconds.

Quectel BG96 TCP/IP User Manual

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