Ebyte E78-DTU User Manual page 24

CFREQ
BANDMASK
( set band
mask )
command
character
CULDL MODE
Set the same
(
and different
frequencies for
uplink and
downlink
)
command
character
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AT+CNWKSKEY=AABBCCDD00112233AABBCCDD00112233
example
OK
Used in ABP, set or read NwkSKey, return Y1Y2 ... Y16, hexadecimal format, value
Precautions
16 bytes.
command
command format
type
test
AT+CFREQBANDMASK=?
command
query
AT+CFREQ BANDMASK?
command
set AT+CFREQBANDMASK=<
command mask>
Parameter <mask>: The frequency point mask that the network may work, 16bit
Description corresponds to 16 frequency groups, see the LoRaWAN access
specification for details.
Such as: 0-7 channels, the corresponding mask is 0001, the
corresponding mask of 8-15 channels is 0002, the corresponding mask
Return
of 16-23 channels is 0004 and so on .
value
the frequency corresponding to the specific channel, you need to check
description
the region protocol. For example, channels 0-7 correspond to:
470.3MHz, 470.5MHz, 470.7MHz, 470.9MHz, 471.1MHz, 471.3MHz,
471.5MHz, 471.7MHz in CN470 .
AT+CFREQBANDMASK=0001
example
OK
Precautions Need to be set before Join.
command
command format
type
test
AT+CULDLMODE=?
command
query
AT+CULDLMODE?
command
set
AT+CULDLMODE=<mode>
command
Parameter
Description
<mode>:
Return 1: same frequency mode
value 2: Different frequency mode
description
AT+CULDLMODE=2
example
OK
Precautions
Need to set before Join
command
command format
type
response
+CFREQBANDMASK: "mask"
OK
+CFREQBANDMASK:<mask>
OK
OK
response
+CULDLMODE: " mode "
OK
+CULDLMOD E:<mode>
OK
OK
response
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