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AT+TRANS=?
AT+ROUTER=?
AT+LBT=?
AT+ERSSI=?
AT+DRSSI=?
AT+ADDR=?
AT+CHANNEL=?
AT+NETID=?
AT+KEY=?
AT+DELAY=?
AT+SWITCH=?
AT+MODE=?
8.2 AT parameter analysis
When the serial port receives the correct command, the serial port will return "command=OK", otherwise it will
return "=ERR"
Command parameters
Baud ( serial port baud rate )
Parity ( serial port parity bit )
Rate (over-the-air data rate)
Applicable to 400MHz frequency band and 900MHz
frequency band
Rate (over-the-air data rate)
Applicable to 230MHz frequency band
Packet (packet length)
Role (WOR role)
Period (WOR period)
Power (transmission power)
Mode (transmission mode)
Router (repeater mode)
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Query sending mode
Query relay mode
Query the Listen Before
Talk function switch
Query the environmental
noise RSSI switch
Query RSSI output
Query module address
Query
module
working
channel
Query network ID
Query module key
Query WOR delayed sleep
time
Query software switching
mode switch
Query the current working
mode (can be queried in all
modes)
Note 1
AT+TRANS=1
AT+ROUTER=1
AT+LBT=1
AT+ERSSI=1
AT+DRSSI=1
AT+ADDR=1234
AT+CHANNEL=23
AT+NETID=2
Reading is not supported
(security considerations)
AT+DELAY=1000
AT+SWITCH=0
AT+MODE=0
Parameter meaning
0:1200
1:2400
2:4800 3:9600
4:19200 5:38400 6 : 57600 7:115200
0:8N1
1:8O1
2:8E1
0:2.4K
1:2.4K
2:2.4K
4:9.6K
5:19.2K
6:38.4K
0:2.4K
1:2.4K
2:2.4K
4:4.8K
5: 9.6K
6:15.6K
0: 240
1: 128
2:64
0: Receiving
1: Transmitting
0:500ms
1:1000ms 2:1500ms 3:2000ms
4:2500ms 5:3000ms 6:3500ms 7:4000ms
0:22dBm
1:20dBm
0: transparent
1: fixed point
0: Close
1: Open
E22-xxxT22S series product user manual
Return to fixed point mode
Return to relay mode
Return LBT switch status
Return to environmental
noise switch status
Return channel RSSI
function is enabled
The return module address
is 1234
The return frequency is
433.125M
Return network ID is 2
Return ERR
Return to WOR delayed
sleep time is 1000ms
Software switching mode is
off
Returns the current
transparent transmission
mode
3:8N1
3:4.8K
7:62.5K
3:2.4K
7:15.6K
3:32
2:17dBm
3:14dBm
24
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