Cellular LTE vs. 4G vs. 5G: What is the Difference?
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
What is 4G (fourth-generation wireless)?
4G to 5G: How Long Will 4G LTE Be Available? | Digi International
When private 4G LTE is better than Wi-Fi | Network World