Amazon.com: Wiflyer WG3526 4G LTE Router | AC1200Mbps Dual Band CAT4 Wireless Router with Metal Case and Detachable 6×5dBi Antennas| Gigabit Ethernet with TF Card Slot & USB3.0 Port & SIM Card
Amazon.com: KuWFi 4G LTE Router with SIM Card Slot, Unlocked 4G WiFi Router with External Antennas, Industrial Wireless CPE Internet Routers for Home/Office, Work with AT&T and T-Mobile : Electronics
Amazon.com: Wiflyer 4G LTE Router AC1200, WE1326-BKC Dual Band Wireless Router with SIM Card Slot Unlocked, SD Slot, USB 3.0 (Work with T-Mobile AT&T Verizon) : Electronics
4G LTE Routers, Gateways, Modules | Digi International