SimCom SIM700C User Manual

Smart Machine Smart Decision
SIM7000 Series_AT Command Manual_V1.03 234 2018-05-08
18.2.5 AT+CASEND Send data via an established connection
AT+CASEND Send data via an established connection
Test Command
AT+CASEND=?
Response
+CASEND: (range of supported <cid>s),( range of supported <datalen>)
OK
Parameters
See Write Command
Write Command
AT+CASEND=<ci
d>,<datalen>
Response
+CASEND: <cid>,<datalen>
…….. //Input data
OK
+CASEND: <cid>,<result>,<sendlen>
If error is related to ME functionality:
+CME ERROR: <err>
Parameters
<cid> see AT+CACID
<datalen> Requested number of data bytes to be transmitted
<sendlen> Data bytes that has been sent successfully
<result> see AT+CAOPEN
Parameter Saving
Mode
NO_SAVE
Max Response
Time
-
Reference Note
18.2.6 AT+CARECV Receive data via an established connection
AT+ CARECV Receive data via an established connection
Test Command
AT+CARECV=?
Response
+CARECV: (range of supported <cid>s),( range of supported <readlen>)
OK
Parameters
See Write Command
Write Command
AT+CARECV=<ci
d>,<readlen>
Response
+CARECV: <cid>,<recvlen>
……. //output data
OK
If error is related to ME functionality:
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SimCom SIM700C Specifications

General

Brand	SimCom
Model	SIM700C
Category	Control Unit
Language	English