Modems M2M Industrial Celular 3G 4G LTE Modem Roteador Com Ethernet Vpn Wifi Sim Card Slot Serial Rs232 Rs485 Port De $31.225,61 | DHgate
Amazon.com: D-Link DWM-311-B1, 4G LTE (Cat 4) to Gigabit Ethernet Modem/Bridge, Best for M2M Applications, Supports OpenVPN, Optional Enterprise Service Platform, Works on Verizon or AT&T : Electronics