M2M Industrial Cellular 3G 4G LTE Modem Router with Ethernet Vpn Wifi Sim Card Slot Serial rs232 rs485 Port - AliExpress
Amazon.com: Zbtlink 4G LTE Router with Free Built-in Digital eSIM and 10GB Free Data (WE2805-B), 300Mbps WiFi Cellular Router, Allow to Switch Network Carrier Among Verizon AT&T and T-Mobile : Electronics
ICR-4103-A - Ethernet Industrial LTE/4G router dual SIM (compatible AT&T and T-Mobile), DIN rail mount, hardened -40 to +75 Celsius