PLANET™ ICG-2420G-LTE is a reliable, secure and high-bandwidth communications industrial-grade cellular gateway for demanding mobile applications, M2M (machine-to-machine) and IoT deployments. It features 4G LTE (Long Term Evolution), four Ethernet ports (3 LAN and 1 WAN), serial ports, DI and DO interfaces and VPN technology bundled in a compact yet rugged aluminum case. It establishes a fast cellular connection between Ethernet and serial port equipped devices. (2-SIM Card Slot, 1 RS232, 1 RS485, DI/DO, GPS, -20~70 degrees C, VPN, LTE Band B1/B3/B5/B7/B8/B20/B38/B40/B41).