This is an old revision of the document!
This page mainly introduces how to use the LTE module from three parts. The first part is about how to query the support list of the LTE module, the second is some related operations under Ubuntu, and the third is some related operations under Android.
You can view it on the following two pages:
Install minicom
in your SBC.
$ sudo apt update $ sudo apt install minicom
Setting to usbnet
mode.
$ minicom -D /dev/ttyUSB2
Atfer open minicom , enter:
AT+QCFG="usbnet",2 OK
LTE module needs power down and restart to switch mode. Unplug your SBC and plug again. LTE module now works in usbnet
mode.
How to restore your LTE module?
AT+QCFG="usbnet",0
Unplug your SBC and plug again to switch back to default mode.
Find edit connections
in network menu.
Add new connect.
Choose connect type Mobile Broadband
.
Choose you provider's country
Choose you provider,this needs to be set according to your SIM card.
Set you LTE module connect passwork, you need to remember it .
Now, you can connect it , you will find you LTE module connections in network menu.
Input the password which you set.
And then, you will connect success !
Click the menu bar in the upper right corner to see the mobile board settings
option.
Click the Network
, chooise Add new connection
, and then click Next
.
Choose you provider’s country .
Choose you provider,this needs to be set according to your SIM card.
After choose you provider, the next two steps use defconfigiure. So you just need to choose next
. And then click apply
. Now, you need a password , default is 000
.
After entering the password, you can connect normally.
Open the corresponding settings and update the password in mobile broadband
.
$ sudo nmcli connection add type gsm apn 3gnet user 0000 password 0000 con-name "EM06 4G"
$ ifconfig -a ... wwan0: flags=4098<BROADCAST,MULTICAST> mtu 1500 ether 1a:68:e0:a7:94:88 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ...
Use ping command to test.
$ ping www.baidu.com -I wwan0
If your LTE module work normal, it will be success.