Copyright©2012–2023, Chengdu Ebyte Electronic Technology Co., Ltd.
31
character
type
CDATARATE
(
Set
communication
rate
)
test
command
AT+CDATARATE=?
+CDATARATE:
"
value
"
OK
query
command
AT+CDATARATE?
+CDATARATE:<value>
OK
set
command
AT+CDATARATE=<value>
OK
Parameter
Description
<value>: as follows:
Rate value, the factory value is 3, the value range:
0 - SF12, BW125
1 - SF11, BW125
2 - SF10, BW125
3 - SF9, BW125
4 - SF8, BW125
5 - SF7, BW125
Return value
description
example
AT+CDATARATE=1
OK
Precautions
It needs to be set before sending data, and it will be invalid after ADR is enabled
command
character
command
type
command format
response
CRSSI
(
query channel
signal
strength
)
test
command
AT+CRSSI=?
+CRSSI
OK
query
command
AT+CRSSI FREQBANDIDX?
+CRSSI:
0:<Channel 0 rssi>
1:<Channel 1 rssi>
…
7:<Channel 7 rssi>
OK
Parameter
Description
<FREQBANDIDX>: Indicates the number of the frequency band, starting from 0,
1A2 group number is 1
Returns the RSSI of 8 channels in a frequency band.
Return value
description
example
AT+CRSSI 1?
+CRSSI:
0:-157
1:-157
2:-157
3:-157
4:-157
5:-157
6:-157
7:-157
OK
