R350 Series car WIFI GPS Dual sim 4G LTE router with sim card slot and external SMA antenna - AliExpress
4G Multi Sim Card Aggregation Router K60-3G/HD/SD-SDI Transceiver|ASI|DVI|HDMI|VGA|RGB|Ypbpr Transceiver|Video|Audio|Data|Ethernet|AES/EBU Digital Audio Fiber optic Transmission System for KingWon
LINOVISION Rugged and Versatile Cellular Router & 4G DTU with RS232, Industrial 4G LTE WiFi Router with Dual SIM Cards Slot, Supports AT&T and T-Mobile | Linovision Global Store