Chengdu Ebyte Electronic Technology Co.,Ltd.
E78-470LN22S User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
14
CGMR
(
Read version
identifier
)
Query
command
AT+CGMR?
+CGMR=<revision>
OK
Parameter
Description
<revision>: version number
Return value
description
Example
AT+CGMR?
+CGMR=V4.1
OK
Precautions
Command
character
Command
Type
Command Format
response
CGSN
(
Read product
serial number
identifier
)
Query
command
AT+CGSN?
+CGSN=<sn>
OK
Parameter
Description
<sn>: Product serial number identifier
Return value
description
Example
AT+CGSN?
+CGSN=0539349E00032523
OK
Precautions
Command
character
Command
Type
Command Format
response
CGBR
(
Set baud rate
)
Query
command
AT+CGBR?
+CGBR=<baud>
OK
Setting
command
AT+CGBR=<baud>
OK
Parameter
Description
<baud>: baud rate
Return value
description
Example
AT+CGBR=9600
OK
Precautions
Baud range
：
1200~460800bps
Command
character
Command
Type
Command Format
response
CJOINMODE
(
Set the Join
mode
)
Test
command
AT+CJOINMODE=?
+CJOINMODE:
“
mode
”
OK
Query
command
AT+CJOINMODE?
+CJOINMODE:<mode>
OK
Setting
command
AT+CJOINMODE=<mode>
OK
