8
C.
Uplink frame format
SIGFOX payload is composed of 12 bytes. The format of payload is available in the
following table.
Note: Vdd in mV
2.
Serial AT commands operation
AT commands can be sent to the device by connecting the USB cable to a computer
and opening a serial interface.
All the basics available commands are listed here:
Commands
Responses
Descriptions and comments
Default
values
AT
OK
Attention command. Just to be sure that all
works fine!
AT?
<cmdlist>
OK
Requests summary of available AT commands
AT&V
<device info>
Display device version information (SNT type,
SW version, ID, PAC)
AT$SF=<value>,<ack
>
OK
Send a Sigfox Frame. Value must be in hex
format by byte (ex : AABB74)
AT$NC=<value>
OK
Change number cycle before shutdown.
Value > 0. Or 0 for infinite
10
AT$NC?
Current value
10
AT$BI=<value>
OK
Enable (1) or disable (0) bidirectional mode
0
AT$BI?
Current value
0
AT$ID=<value>
OK
Change inter-message delay in seconds.
0 < Value < 65536
600
AT$ID?
Current value
600
AT$GPS=<value>
OK
Enable (1) or disable (0) GPS.
Value 0 improve SNT battery life
1
AT$GPS ?
Current value
1
AT$FSD=<value>
OK
Set Delay before first message (in second)
0 < Value < 65536
2
AT$FSD ?
Current value
2
AT$OT=<value>
OK
Enable (1) or disable (0) OneTouch mode
(describe bellow)
0
AT$OT?
Current value
0
AT$FP=<value>
OK
Enable (1) or disable (0) Factory reset. You
need restart after with “ATR\r” command