root@OpenWrt:~# echo -e “AT+CPIN?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+CPIN?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+CREG?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+CGREG?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+COPS?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+CGDCONT?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+CGACT?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+CGATT?\r\n” > /dev/ttyUSB0
root@OpenWrt:~# echo -e “AT+CCID\r\n” > /dev/ttyUSB0
+CPIN: READY
OK
+CPIN: READY
OK
+CREG: 2,1,“7703”,“61C0933”,7
OK
+CGREG: 2,1,“7703”,“61C0933”,7
OK
+COPS: 0,2,“46011”,7
OK
+CGDCONT: 1,“IP”,“ctnet”,“10.19.99.5”,0,0,0,0
+CGDCONT: 11,“IPV4V6”,“IMS”,“0.0.0.0,240E:57E:3452:9F0C:18A0:5A72:267D:8C4A”,0,0,0,0
OK
+CGACT: 1,1
+CGACT: 11,1
OK
+CGATT: 1
OK
+CCID: 89861125147375681408
OK
root@OpenWrt:~# ifconfig -a | grep usb
usb0 Link encap:Ethernet HWaddr 02:36:DB:4F:F6:8A
root@OpenWrt:~# ifconfig usb0
usb0 Link encap:Ethernet HWaddr 02:36:DB:4F:F6:8A
inet addr:10.19.99.5 Bcast:10.19.99.7 Mask:255.255.255.252
inet6 addr: fe80::36:dbff:fe4f:f68a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5500 errors:214936 dropped:44 overruns:0 frame:0
TX packets:5768 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1307610 (1.2 MiB) TX bytes:1590163 (1.5 MiB)
root@OpenWrt:~# ip addr show usb0
7: usb0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
link/ether 02:36:db:4f:f6:8a brd ff:ff:ff:ff:ff:ff
inet 10.19.99.5/30 brd 10.19.99.7 scope global usb0
valid_lft forever preferred_lft forever
inet6 fe80::36:dbff:fe4f:f68a/64 scope link
valid_lft forever preferred_lft forever
root@OpenWrt:~# ip route
default via 10.19.99.6 dev usb0 proto static src 10.19.99.5
10.19.99.4/30 dev usb0 proto kernel scope link src 10.19.99.5
10.19.99.6 dev usb0 proto static scope link src 10.19.99.5
192.168.1.0/24 dev br-lan proto kernel scope link src 192.168.1.1