Content
1. Product Overview...............................................................................................................................................4
1.1. Product feature................................................................................................................................... 4
1.2. Band..................................................................................................................................................... 4
2. Product Functions.............................................................................................................................................. 6
2.1. Configuration Process.......................................................................................................................6
2.2. Basic Function.................................................................................................................................... 7
2.2.1 Network Diagnostic Function...................................................................................................... 7
2.2.2 Host Name and Time Zone............................................................................................................ 7
2.2.3 Password...........................................................................................................................................8
2.2.4 Restore to Factory Setting..............................................................................................................8
2.2.5 Upgrade Firmware Version.............................................................................................................8
2.2.6 Reset.................................................................................................................................................. 9
3. Advanced Function..........................................................................................................................................10
3.1. DDNS................................................................................................................................................. 10
3.2. WIFI-Dog........................................................................................................................................... 11
3.3. SMS AT Commands........................................................................................................................ 11
3.4. LAN Interface....................................................................................................................................12
3.4.1 DHCP Function.............................................................................................................................. 13
3.4.2 WAN Interface................................................................................................................................ 13
3.4.3 WLAN Function.............................................................................................................................. 13
3.4.4 4G Interface.................................................................................................................................... 15
3.4.5 APN............................................................................................................................................... 16
3.5. VPN Client.........................................................................................................................................17
3.5.1 PPTP Client............................................................................................................................ 17
3.5.2 L2TP Client....................................................................................................................... 20
3.5.3 IPSEC...................................................................................................................................... 24
3.5.4 OPENVPN........................................................................................................................ 26
3.5.5 GRE................................................................................................................................... 30
3.5.6 SSTP Client...................................................................................................................... 33
3.6. Static Router..................................................................................................................................... 34
3.7. NAT Function.................................................................................................................................... 34
3.7.1 MASQ.............................................................................................................................................. 34
3.7.2 SNAT........................................................................................................................................35
3.7.3 DNAT........................................................................................................................................36
3.8. Access Restrictions......................................................................................................................... 37
3.8.1 Domain Blacklist.............................................................................................................. 38
3.8.2 Whitelist................................................................................................................................... 38
3.9. Rate Limiting.....................................................................................................................................38
4. AT Commands.................................................................................................................................................. 39
4.1. AT+VER.............................................................................................................................................40
4.2. AT+MAC............................................................................................................................................ 40
