龙尚 U9300C 7模 4G LTE （国内全网通）
接入linux系统会有4个串口
其中ttyUSB2 为AT指令口
ttyUSB1 为拨号上网口
wvdial 拨号入网参数
[Dialer Defaults] [Dialer ChinaTelecom]
Modem = /dev/ttyUSB1
Baud =
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0= &C1 &D2 +FCLASS=
Init3 = AT+CGDCONT=,"IP","ctlte"
Stupid Mode =
Modem Type = Analog Modem
Phone = *#
Username = ctnet@mycdma.cn
Password = vnet.mobi
New PPPD = yes
Dial Attempts = [Dialer ChinaMobile]
Modem = /dev/ttyUSB1
Baud =
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0= &C1 &D2 +FCLASS=
Init3 = AT+CGDCONT=,"IP","cmnet"
Stupid Mode =
Modem Type = Analog Modem
Phone = **#
Username = guest
Password = guest
New PPPD = yes
Dial Attempts = [Dialer ChinaUnicom]
Modem = /dev/ttyUSB1
Baud =
Init1 = ATZ
Init2 = ATQ V1 E1 S0= &C1 &D2 +FCLASS=
Init5 = AT+CGDCONT=,"IP","3GNET"
Stupid Mode =
Modem Type = Analog Modem
Phone = *#
Username = 4gnet
Password = 4gnet
New PPPD = yes
Dial Attempts =