4G 5G LTE WiFi Hotspot USB Mobile Broadband 150Mbps Modem Stick Sim Card | eBay
This dirt cheap 4G LTE modem on a USB stick can be hacked to run mainline Linux - Liliputing
LINKKEY LTE cat4 USB DONGLE - Alcatel
UN32A M.2 B Key 5G / 4G / LTE Card to USB 3.0 Adapter - M-FACTORS Storage
Amazon.com: Eboxer 4G LTE USB WiFi USB Network Adapter Portable WiFi for Laptop Desktop PC Computer, Wireless WiFi Signal Receiver Modem Stick Mini Hotspot (with WiFi) : Electronics