AT Commands Set

SIM5215_SIM5216 AT Command Manual
< HeaderType >
a numeric parameter that select which data header of receiving data, it only takes effect in
multi-client mode.
0 add data header, the format is “+IPD(data length)”
1 add data header, the format is “+RECEIVE,,”
Examples
AT+CIPCCFG=?
+CIPCCFG: (3-8),(0-1000),(0-1),(0-1),(0-1)
OK
AT+CIPCCFG=3,500,1,1,1
OK
18.17 AT+CIPOPEN Establish connection in multi-client mode
Description
The command is used to establish a connection with TCP server and UDP server,The sum of
all of connections are 10。
SIM PIN References
YES Vendor
Syntax
Test Command
AT+CIPOPEN=?
Responses
+CIPOPEN: (list of supported s), (list of supported
s)
OK
ERROR
+CME ERROR:
Read Command
AT+CIPOPEN?
Write Command
AT+CIPOPEN=
,,