How to fit a Raspberry Pi with mobile connectivity
LTE uplink for Raspberry Pi: Huawei E3372 vs Waveshare SIM7600E-H -
Raspberry Pi Zero 4G LTE expansion board, USB Hub Ethernet EG25 ME909 OpenWrt Remote control data
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 :