Original HUAWEI E8377 LTE 4G Mobile WIFI Router Universal for Car Wireless Modem | eBay
Amazon.com: WiFi Modem Dongle, 4G LTE WiFi Modem, WiFi Modem Dongle with SIM Card Slot, TDD FDD GSM Car WiFi Mini Wireless Router with LED Status Indicator, Up to 10 Associated Users
How to Get Wi-Fi in Your Car
Adding Wi-Fi to your car: complete buyer's guide | Parkers