this router is an industrial IoT high-speed router, compatible with 4G/3.5G/3G/2.5G network, flagship 
Configuration, VPN link, industrial protection, wide temperature, wide voltage design, easy to set up high speed, stable, the wireless transmission network uses the public LTE network to provide users with wireless long-distance data transmission.

the 4G router adopts high-performance industrial-grade 32-bit communication processor and industrial-grade wireless module, with embedded real-time operating system as software support platform, and provides one RS232 or RS485, 3 LAN, 1 WAN and WiFi interface, which can be connected at the same time. Serial devices, Ethernet devices, and WiFi devices implement transparent data transmission and routing.

1.Support hundreds of 3G/4G wireless modules, plug and play;
2.Intelligent anti-drop line, support online detection, online maintenance, automatic redial of dropped calls, ensuring that the device is always online;
3.Cloud remote background management, ad push, remote upgrade and remote configuration;
4.Local network PHP browsing and remote synchronization of local storage content;
5.Support serial port TCP/UDP transparent data transmission or AT command transmission;
6.SMS control route online and offline, short-term notification of routing status;
7.Support VPN security tunneling, including PPTP, L2TP;
8.Complete and robust router function, support multiple Internet access methods: automatic allocation, specified IP, PPPoE;
9.Support ARP, DDNS, DHCP, DNS, HTTP,HTTPS, ICMP, PPP, PPPoE, SMTP, SNTP, SSL,TCP/IP, Telnet, UDP protocols;
10.Support serial port local TFTP, web software upgrade.