Industrial GSM router with HSPA + transmission technology, Ethernet interface and web administration interface. Dual SIM redundancy for continuous cellular connections supports 2G/3G. Dual SIM redundancy for persistent 2G/3G cellular network connections. RobustOS + SDK + App. IPsec/OpenVPN/GRE/L2TP/PPTP/DMVPN. Management and maintenance via Web/CLI/SMS/SNMP/RobustLink Cloud. Robust industrial design (9 to 36V DC, desktop or wall mounting or DIN rail mounting). Various interfaces: ETH / RS232/RS485 / USB. Antennas and power supply are not included. Refurbished device that was used for testing purposes.