Ebyte E78-DTU(470LN22) User Manual page 45

Chengdu Ebyte Electronic Technology Co., Ltd.
Parameter D
escription
Return valu
e descriptio
n
Example
Precautions
command chara Command t
cters ype
test comma
CADR
nd
( Set the numb
er of times to
quer y com
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<value>: Enable Control
0 for Link Check – Disable Link Check
1 - Execute Link Check once
2 - The module automatically carries the linkcheck command in e
ach upstream data packet.
Return OK, the setting is successful.
If X1=1, after waiting for a period of time, the second response
message will be returned, the format is as follows:
+CLINKCHECK: Y0, Y1, Y2, Y3, Y4
YO represents the Link Check result:
0 - Indicates that this Link Check was executed successfully
Non-0 - Indicates that this Link Check failed to execute
Y1 is DemodMargin
Y2 is NbGateways
Y3 is the RSSI of this downlink
Y4 is the SNR of this downlink
AT+CLINKCHECK=1
OK
+ CLINKCHECK: 0, 0, 1, -68, 8
Need to set before sending data
command format
AT+CADR=?
AT+CADR?
E78-DTU(470LN22) User Manual
response
+CADR:"value"
OK
+CADR:<value>
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