Ebyte E18-DTU(Z27-485) User Manual page 17

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Read/
05H REG2
Write
Read/
06H REG3
Write
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4 3 reserve
2 Abnormal operation status log printing enable
disable（default）
0
1 enable
1 0 Emission power
0 0
41.5±0.5dBm（default）
0 1
1 0
1 1
Channel Control (CH)
0~44 represent a total of 45 channels respectively
E90-DTU(230SL42)
0-83 represent a total of 84 channels respectively
E90-DTU(400SL42)
0-81 represent a total of 82 channels respectively
E90-DTU(900SL42)
7 Enable RSSI bytes
0 Disable (default)
40dBm
E90-DTU(xxxSL42) User Manual
noise is: dBm
=-(256-RSSI))
instruction

format: C0 C1
C2 C3 + start
address + read
length
return: C1 +

address address
+ read length +
read the
effective value;
for example:
send C0 C1 C2
C3 00 01
Return C1 00 01

RSSI (address
can only start
from 00)
According to the
different abnormal
working status
print the
corresponding
different format log,
for details, see section
6.5, abnormal
working status log
printing details.
Power and

current are
non-linearly
related, and the
power supply is
most efficient at
maximum
power.
Current does not

decrease
proportionally
with power
Actual

frequency =
225+CH*0.25M
Actual

frequency =
410.125+CH*1
M
Actual

frequency =
850.125M +CH
* 1M
When it is enabled,
the module receives
wireless data, which
to
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