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 = 115200
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,"IP","ctlte"
Stupid Mode = 1
Modem Type = Analog Modem
Phone = *99#
Username = ctnet@mycdma.cn
Password = vnet.mobi
New PPPD = yes
Dial Attempts = 0


[Dialer ChinaMobile]
Modem = /dev/ttyUSB1
Baud = 115200
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,"IP","cmnet"
Stupid Mode = 1
Modem Type = Analog Modem
Phone = *98*1#
Username = guest
Password = guest
New PPPD = yes
Dial Attempts = 0


[Dialer ChinaUnicom]
Modem = /dev/ttyUSB1
Baud = 115200
Init1 = ATZ
Init2 = ATQ V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init5 = AT+CGDCONT=1,"IP","3GNET"
Stupid Mode = 1
Modem Type = Analog Modem
Phone = *99#
Username = 4gnet 
Password = 4gnet
New PPPD = yes
Dial Attempts = 0