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SIM800 Series_AT Command Manual_V1.09

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2015-08-03

<n>

A numeric parameter which indicates the connection number

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

operation

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

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

Mode

NO_SAVE

Max

Response

Time

When +CIPQSEND=0 and the remote server no response, after 645

seconds, “CLOSE” will be reported.

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)

Test Command

AT+CIPQSEND

Parameters

See Write Command

Read Command

Response

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