Quectel BG96 TCP/IP Application Note page 22

"UDP" or "TCP INCOMING"
AT+QIRD=<connectID>[,<read_length
>]
Write Command
When <service_type> is "UDP
SERVICE"
AT+QIRD=<connectID>
Write Command
When <read_length> is 0, query the
retrieved data length
AT+QIRD=<connectID>,0
Maximum Response Time
Characteristics
Parameter
<connectID>
<read_length>
BG96_TCP/IP_Application_Note
+QIRD: <read_actual_length><CR><LF><data>
OK
If there is no data:
+QIRD: 0
OK
If the connection does not exist:
ERROR
Response
If the data exists:
+QIRD: <read_actual_length>,<remoteIP>,<remote_port>
<CR><LF><data>
OK
If there is no data:
+QIRD: 0
OK
If the connection does not exist:
ERROR
Response
If the specified connection exists:
+QIRD: <total_receive_length>,<have_read_length>,<unre
ad_length>
OK
If there is any error:
ERROR
120 s, determined by network.
/
Integer type. Socket service index. Range: 0–11.
Integer type. Maximum length of the data to be retrieved. Range: 0-1500.
LPWA Module Series
BG96 TCP/IP Application Note
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