Neoway N720 User Manual page 15

N720 User Manual (Linux)
2G, 3G, and 4G of China Unicom: 3GNET
2G and 3G of China Telecom: CTNET
4G of China Telecom: CTLTE
For other networks, consult your carriers.
The module will set APN based on current network mode if developers do not set it before PPPD

dialup. If the APN is set before pppd dialup, the module will dial up the network using the set APN.
If developers use a private network SIM card, obtain the private network APN from carrier.

5. Execute *99# to dial up network.
If developers use a private network SIM card or other SIM cards, obtain user and password from
your carriers when necessary.
6. Create a pppd script and a chat script.
/etc/ppp/peers/gprs-dial
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/dev/ttyUSB0
115200
hide-password
noauth
debug
noipdefault
local
lock
dump
nodetach
user "card"
password "card"
remotename cmnet
ipparam cmnet
usepeerdns
connect '/usr/sbin/chat -s -v -f /etc/ppp/peers/gprs-chat'
Set the modem port as the dialup port. Otherwise, the module cannot dial up a network successfully.
/etc/ppp/gprs-chat
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