Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual
Copyright
©
2012
–
2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
28
Format
:
inquire
transmit
:
AT+
LBS
<CR>
return
:
<CR><LF>+OK=LAC:<lac>,CID:<cid><CR><LF>
Parameter
:
lac :
base station location code for present device
cid:
Base station id
AT+
HSPEED
Function
:
configure/inquire if high speed mode is enabled
Format
:
configure
transmit
:
AT+ HSPEED=<state> <CR>
return
:
<CR><LF>+OK<CR><LF>
Inquire
transmit
:
AT+ HSPEED <CR>
return
:
<CR><LF>+OK=<state> <CR><LF>
Parameter
:
state
ON
high speed enabled
OFF
high speed disabled
AT+
UARTTS
Function
:
configure/inquire serial port packaging and break frame mechanism
Format
:
configure
transmit
:
AT+ UARTTS =<time>,<length> <CR>
return
:
<CR><LF>+OK<CR><LF>
inquire
transmit
:
AT+ UARTTS <CR>
return
:
<CR><LF>+OK=<time>,<length> <CR>
Parameter
:
time
Serial port break frame packaging time
:(
50~2000
)
ms
Length
Serial port packaging length
:(
20~1024
)
bytes
AT+
SMSSEND
Function
:
transmit SMS command
Format
:
transmit
transmit
:
AT+ SMSSEND =<number>,<info> <CR>
return
:
<CR><LF>+OK<CR><LF>
Parameter
:
Number :receiver’s phone number
info: transmitted content
(
English or number
)
AT+
SMSINFO
Function
:
configure/inquire SMS configuration identifier ID
Format
:
transmit
transmit
:
AT+ SMSINFO =<Info> <CR>
return
:
<CR><LF>+OK<CR><LF>