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<ParaTag1>, means to perform JOIN operation, ParaTag1 value ran
ge:
0 – stop JOIN
1 – Start JOIN and restart the JOIN process. For modules with w
arm restart enabled, executing this operation clears the saved JOIN
context parameters.
[ParaTag2] Indicates whether to enable the automatic JOIN functio
n. The factory default value is 1, and the value range of ParaTag
2:
0 – Turn off automatic JOIN
1 – Automatic JOIN. After the module enters the transparent trans
mission mode, JOIN is automatically started.
[ParaTag3] represents the JOIN period, the value range: 7~255, the
unit is s.
Factory default: 8.
[ParaTag4] indicates the maximum number of JOIN attempts, the
value range of ParaTag4: 1~255
n
Example
AT+CJOIN=1,1,10,8 (set the JOIN parameter: enable automatic JOI
N, the JOIN period is 10s, and the maximum number of attempts
is 8)
OK
+CJOIN: OK
Precautions
Need to set before Join
command chara
cters
Command t
ype
command format
response
DTRX
( send and rece
ive data )
test comma
nd
AT+DTRX=?
+DTRX:[confirm],[nbtrials],<Length>,
<Pay
load>