Provide 2x 10/100Base-T(x) port. Support LTE Cat. 4 and 802.11b/g/n WLAN. Support dual SIM redundancy. Support 1x RS-232/422/485 Serial port in DB9 connector. Support VPN for secured network connection (OpenVPN, PPTP, IPSec). Industrial design: DIN-rail mount, wide operating temperature -25 to 75°C, CE/FCC certified.'