4G USB Dongle Quectel LTE Cat4 module EG25-G Global communication IoT devices for Raspberry Pi 3b 3b+ 4b zero W router laptop - AliExpress
3. Installing 4G USB modem to Raspberry Pi – RC Bellergy's Drones
Amazon.com: 4G / 3G / GNSS HAT Module for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B/Jetson Nano, Based on SIM7600A-H , 4G Communication and GNSS Positioning Module Support LTE CAT4 up to 150Mbps