Amazon.com: 4G VPN Router, Industrial Dual Sim 4G LTE WiFi Router 3G/4G Yeacomm YF325 Wireless Modem Router Unlocked with Sim Card Slot, External Antenna Cellular Modem in North/South America, NOT for Verizon :
300Mbps FDD LTE Modem Mobile Hotspot 3G 4G Wifi Router For AT&T Verizon T Mobile | eBay
Amazon.com: 3G 4G Mini Wireless Portable WiFi Router, USB2.0 Mini Router USB WiFi Modem of IEEE.802b / g/n Standards for Computers and Phones, 150Mbps High Transmission Speed : Electronics
WiFi Router, 3G 4G Long Battery Life Modem Router Compact Portable High Speed For Internet Access European Version - Walmart.com
Mesh Router, Battery Life LTE Modem Compact Portable 3G 4G For Internet Access - Walmart.com
WiFi Router, 3G 4G Long Battery Life Modem Router Compact Portable High Speed For Internet Access European Version - Walmart.com
Amazon.com: KuWFi 300Mbps 3G 4G LTE Car WiFi Wireless Router Extender Strong Signal Car WiFi Routers with USB Port SIM Card Slot with External Antennas for USA/Canada/Mexico SIM Card : Electronics
Source GL-inet portable 3g usb modem wifi router for buses on m.alibaba.com
Tianjie Wifi Router 3g 4g Cpe Modem 4g Wifi Sim Card External Antenna Rj45 Wan Lan High Speed Wireless Routers Network Adaptor - Routers - AliExpress
Cioswi We826-t2 Wifi Router 4g 3g Modem With Sim Card Slot Access Point Openwrt 128mb 12v Gsm 4g Lte Usb 1wan 4lan Router - Routers - AliExpress
Amazon.com: Yeacomm 4G LTE Modem Router with Sim Card Slot,Unlocked 3G 4G Wi-Fi Hotspot Wireless Router Up to 32 Users,Voice Calling,T-Mobile ONLY,Not for AT&T : Electronics
M2m Industrial Cellular 3g 4g Lte Modem Router With Ethernet Vpn Wifi Sim Card Slot Serial Rs232 Rs485 Port - 3g/4g Routers - AliExpress