1. OPEN WRT, support multiple developments, DI status alarm with configurable SMS, relay to turn on/off your field devices, Python or LUA programming
2. Rich interfaces, 4x LAN ports, 1x WAN port, 1x USB port, 2x Relay, 1x RS232, 1x RS485, 2x DI, 1x CAN (option), GPS (option)
3. High power and speed WIFI
4. Din-rail mounting
5. Dual SIM on dual module (option) or single module (option), SIM 1 as main connection, SIM 2 as back up, and load balance (option, only available on dual module mode)
6. Support 2-channel Digital Input and DI alarm
7. 4G/3G/PPPoE/DHCP and Static address connection mode, auto switchover between wired and wireless connectivity
8. APN/VPDN to ensure the security of data transmission.
9. Multiple VPN protocols, IPSec, L2TP, PPTP and OPEN VPN.
10. DHCP server, DHCP binding MAC address, Dynamic DNS (DDNS), Firewall, NAT, DMZ host, QoS, Traffic Analysis, Real-time display of data transfer rate, SNTP, Telnet, VLAN, SSH MQTT, Transparent (TCP Client/Server, UDP Client/Server), Modbus Gateway (Modbus RTU to Modbus TCP) IPsec/PPTP/L2TP/GRE/OpenVPN, etc.
11. TCP/IP, UDP, FTP, HTTP network protocols.
12. SPI Firewall, DoS attack, VPN traversal, Access Control, Port Mapping, DMZ Mapping, Access Control List(ACL), IP-MAC binding and Clone function, etc.
13. Support heartbeat link detection, offline automatic reconnection.
14. Hardware and software auto inspection technology, enable operation fault auto repairing.
15. Status query of the system, network connection, routing.
16. Telnet, web, ssh configurations.
17. Web upgrade, local system log, remote log, serial port output log
