Ebyte E78-DTU User Manual page 31

character
CDATARATE
Set
(
communication
rate
)
command
character
CRSSI
query channel
(
signal
strength
)
Copyright©2012–2023, Chengdu Ebyte Electronic Technology Co., Ltd.
type
test
AT+CDATARATE=?
command
query
AT+CDATARATE?
command
set
AT+CDATARATE=<value>
command
Parameter
<value>: as follows:
Description Rate value, the factory value is 3, the value range:
0 - SF12, BW125
1 - SF11, BW125
2 - SF10, BW125
Return value
3 - SF9, BW125
description
4 - SF8, BW125
5 - SF7, BW125
AT+CDATARATE=1
example
OK
Precautions
It needs to be set before sending data, and it will be invalid after ADR is enabled
command
command format
type
test
AT+CRSSI=?
command
query
AT+CRSSI FREQBANDIDX?
command
Parameter
<FREQBANDIDX>: Indicates the number of the frequency band, starting from 0,
Description
1A2 group number is 1
Return value
Returns the RSSI of 8 channels in a frequency band.
description
AT+CRSSI 1?
+CRSSI:
0:-157
1:-157
2:-157
example
3:-157
4:-157
5:-157
6:-157
7:-157
OK
+CDATARATE: " value "
OK
+CDATARATE:<value>
OK
OK
response
+CRSSI
OK
+CRSSI:
0:<Channel 0 rssi>
1:<Channel 1 rssi>
...
7:<Channel 7 rssi>
OK
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