Waveshare RM500x/RM502x 5G HAT for Raspberry Pi, quad antennas LTE-A, multi band, 5G/4G/3G - YouTube
Amazon.com: SIM7600G-H 4G HAT Module for Raspberry Pi and PC,Support LTE Cat-4 4G 3G 2G Communication and GNSS Positioning,Global Band,up to 50Mbps Uplink, 150Mbps Downlink : Electronics