
Industrial Grade 4G Router Supports VPN for Secure Data Transmission in Smart Factory Automation. Dual Watchdog System: Hardware and software watchdogs ensure 24/7 stable operation with automatic recovery from crashes. Secure VPN Support: Supports IPsec, OpenVPN, L2TP, and PPTP for encrypted data transmission in industrial networks. Wired/4G Failover: Automatically switches to 4G backup when wired connection fails, ensuring continuous uptime. Flexible Serial Interface: LAN port configurable as RS232 or RS485 for connecting sensors, PLCs, and industrial controllers. Wide Voltage Input: Accepts 9V to 36V DC input with reverse-polarity and surge protection for harsh environments. OpenWRT Compatibility: Supports official firmware and can be customized with OpenWRT for secondary development. Multi-Scenario Application: Ideal for smart grids, automation, surveillance, vending machines, and remote device management.