Waveshare 4G/3G/2G/GSM/GPRS/GNSS HAT for Raspberry Pi Jetson Nano Based on SIM7600G-H Supports LTE CAT4 up to 150Mbps for Downlink Data Transfer the Global Version Positioning Module : Amazon.co.uk: Computers & Accessories
3G ARDUINO & RASPBERRY PI SHIELD (micro) ** d-u3G 1.13 shield/module/board series :: FEATURES, 3G * GSM * GPRS * DTMF * SMS CODE EXAMPLES and UTILITIES