Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual
Copyright
©
2012
–
2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
27
return
:
<CR><LF>+OK=<sta><CR><LF>
configure
transmit
:
AT+ POTOCOL =<data><CR>
return
:
<CR><LF>+OK<CR><LF>
Parameters: data status
ON Turns on the transmission of the EBYTE protocol
OFF Turns off the he transmission of the EBYTE protocol
AT+
UARTEX
(
extending command
)
function
:
Set/inquire serial port parameter
(
AT+UART is for configuring baud rate and parity only
)
format
:
inquire
transmit
:
AT+ UARTEX <CR>
return
:
<CR><LF>+OK=<sta><CR><LF>
configure
transmit
:
AT+ UARTEX =<baud>,<data bit>,< parity>,<stop><CR>
return
:
<CR><LF>+OK<CR><LF>
parameter
:
baud: UART baud can be configured as levels below
:
9600,
19200,
38400,
57600,
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