Data Sheet

Smart Machine Smart Decision
Parameters
<n> A numeric parameter which indicates the connection number
<length> A numeric parameter which indicates the length of sending
data, it must be less than <size>
Execution
Command
AT+CIPSEND
response">", then
type data for send,
tap CTRL+Z to
send, tap ESC to
cancel the
Response
This Command is used to send changeable length data.
If single IP connection is established (+CIPMUX=0)
If connection is not established or module is disconnected:
If error is related to ME functionality:
+CME ERROR <err>
If sending is successful:
When +CIPQSEND=0
SEND OK
operation
When +CIPQSEND=1
DATA ACCEPT:<length>
If sending fails:
SEND FAIL
Note
This Command can only be used in single IP connection mode
(+CIPMUX=0) and to send data on the TCP or UDP connection that has
been established already. Ctrl-Z is used as a termination symbol. ESC is
used to cancel sending data. There are at most <size> bytes which can be
sent at a time.
Parameter Saving NO_SAVE
Mode
Max Response When +CIPQSEND=0 and the remote server no response, after 645
seconds, “CLOSE” will be reported.
Time
Reference Note
The data length which can be sent depends on network status.
Set the time that send data automatically with the Command of
AT+CIPATS.
Only send data at the status of established connection.
8.2.4 AT+CIPQSEND Select Data Transmitting Mode
AT+CIPQSEND Select Data Transmitting Mode
Response
+CIPQSEND: (0,1)
OK
Test Command
AT+CIPQSEND
=?
Parameters
SIM800 Series_AT Command Manual_V1.05 216 2014-07-31