Robustel R3000 is a rugged cellular router offering state-of-the-art mobile connectivity for machine to machine (M2M) applications. For transfering data from ALPR point to the host station in headquarters. Dual SIM redundancy for continuous cellular connections, supports 2G/3G. 4 Ethernet ports and serial RS-232 and RS-485 ports. VPN tunnel: IPSec/OpenVPN/PPTP/L2TP/GRE. Auto reboot via SMS/Caller ID/Timing. Supports RobustLink (Centralized M2M management platform).