Technical Details
LTE Cell Search w/ Raspberry Pi and mPICe LTE Modem - ewf-engineering
Getting Started
Sixfab Pico LTE
RM500U-CN Raspberry Pi 5G HAT kit sells for under $200 for the Chinese market - CNX Software
Getting Started
Raspberry Pi 3G/4G-LTE Base HAT
Sixfab
Sixfab 5G Development Kit for Raspberry Pi - Sixfab