Ebyte E32-DTU User Manual page 16

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For example: The meaning of No.3 "S PED" byte:
The binary bit of the
byte
Configures by user
M eaning
Corresponding
hexadecimal
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Copyright ©2012–2019，
111：2000ms
---------------------------------------------
2. FEC switch
0: close the FEC
1: turn on FEC (default)
---------------------------------------------
1, 0 Transmission power (approximate)
00： 20dBm（Default）
01： 17dBm
10： 14dBm
11： 11dBm
7 6
0 0
UART parity bit 8N1
1
5 4 3
0 1 1
UART baud rate is 9600
E32-DTU (433NW20) user manual
-------------------------------------

After FEC is turned off, the
actual data transmission rate
will be increased, but the
anti-interference ability will be
weakened and the distance
will be slightly closer. Please
select according to the actual
application.

Both sides of the
communication must be on or
off.
-------------------------------------

External power supply must
provide more than 500mA
current output capacity. And
ensure that the power ripple is
less than 100mV .

It is not recommended to use a
small power transmission; its
power utilization efficiency is
not high.
2 1
0 0
Air data rate is 2k
9
0
1
15