Chengdu Ebyte Electronic Technology Co.,Ltd
E840-TTL-4G02E User Manual
Copyright ©2012–2019,
Chengdu Ebyte Electronic Technology Co.,Ltd
26
115200,
230400,
460800,
921600,
data bit
:
UART data bit
8
,
length is 8 bits
7
,
length is 7 bits
Parity
:
UART parity
N, None
O, Odd
E,
Even
stop
:
UART stop bit
1
,
1 bit
2
,
2 bits
AT+ ICCID
Function
:
inquire SIM card ID
Format
:
inquire
transmit
:
AT+ ICCID <CR>
return
:
<CR><LF>+OK=<number><CR><LF>
Parameter
:
number :
The present ICCID of SIM card
AT+ LBS
Function
:
inquire the service info. based on location
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
Содержание E840-TTL-4G02E
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