4G with one SIM slots for cellular WAN 4 Fast Ethernet LAN ports ensure reliable connectivity and reduce extra switch costPlug & Play design for quick and easy integration Durable zinc-plated steel case is corrosion-resistant to ensure device longevity-30 to 70°C operating temperature to resist harsh environmentsWall or DIN-rail mounting allow for optimal device placement Plug and PlaySimple plug and play installation with auto-MDI/MDIX crossover on all portsMulti-Port FE ConnectivityFour Fast Ethernet LAN ports to connect multiple devices for general M2M applications.SMS Event ManagementFacilitate remote management via SMS, minimizing staff exposure to hazardous environments.Industrial-Grade DurabilityCorrosion-resistant zinc-plated steel casing and robust design ensure reliable operation in harsh environments.Secure VPN ProtectionProtect sensitive data transmission via secure VPN tunnels to prevent unauthorized network access.Centralized ManagementConveniently manage devices fr