Ebyte E78-DTU(470LN22) User Manual page 25

Chengdu Ebyte Electronic Technology Co., Ltd.
query com
mand
Parameter
Description
CGMR Return valu
e descriptio
( read version
n
ID )
Example
Precautions
command chara Command t
cters ype
query com
mand
Parameter
Description
CGSN
Return valu
e descriptio
( Read the pro
n
duct serial num
ber logo )
Example
Precautions
command chara Command t
cters ype
query com
CGBR
mand
( set baud rate
set comman
)
d
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AT+CGMR?
<revision>: version number
AT+CGMR?
+CGMR=V4.4
OK
command format
AT+CGSN?
<sn>: Product serial number identification
AT+CGSN?
+CGSN=0539349E00032523
OK
command format
AT+CGBR?
AT+CGBR=<baud>
E78-DTU(470LN22) User Manual
+CGMR=<revision>
OK
response
+CGSN=<sn>
OK
response
+CGBR=<baud>
OK
OK
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