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eevTe
Chengdu
2,1,0
Wireless air rate (bps)
000: The air rate 1s 1.2k
010: The air speed 1s 4.8k
011: The air speed is 9.6k
100: The air speed 1s 19.2k
101: The air speed 1s 50k
110: The air speed 1s 100k
111: 200k air speed
001: The air speed 1s 2.4k (default)
longer transmitting time
The air data rate must keep the same
for both communication parties.
7,,6,5,4,3,2,1,
0Communication channel
Communication frequency (410M + CHAN * 0.5M)
1, 0 Transmission power (approximation)
00: 20 dBm (default)
01: 17 dBm
10: 14 dBm
11:10 dBm
The external power must make sure the
ability of current output more than 1A and
ensure the power supply ripple within
100mV.
Low power transmission is not
recommended due to its low power supply
efficiency.»
4
CHAN
(Default 0x2E: 433M)
00H-C8H ,
correspond to410~510 MHz
In fixed transmission mode,
the first
three bytes of each user's data frame
7,
Fixed transmission enabling bit ( similar to MODBUS )
can be used as high/low address and
0:
Transparent transmission mode
channel.
The
module
changes
its
1 ©
Fixed transmission mode
address
and
channel
when
transmit.
And
it will
revert to original
setting
6,5,4,3,2
Reserved bit, write 0
after complete the process.
5
OPTION
For example: The meaning of No.3 "SPED" byte:
The
binary
bit
of the
byte
7
6
5
4
2
1
0
Configures by user
0
0
0
1
0
0
1
Meaning
UART parity bit §N1
UART baud rate 1s 9600
Air data rate is 2.4k
Corresponding
1
9
hexadecimal
Copyright ©2012-2019,
Chengdu Ebyte Electronic Technology Co.,Ltd.
18
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