Adafruit Fona 808 Mini Cellular GSM + GPS Breakout Board
Adafruit FONA 3G Cellular + Built-in GPS Breakout
Adafruit FONA 800 - Mini Cellular GSM Breakout uFL Version v1
Adafruit FONA 808 Shield - Mini Cellular GSM + GPS for Arduino
Adafruit FONA 800 Shield - Voice/Data Cellular GSM for Arduino
Adafruit FONA 3G Cellular Breakout - American version - FREE Ting Sim Card w/ Purchase!
Electron Cellular IoT Kit - 2G Global
Electron Cellular IoT Kit - 3G Americas/Aus
Particle Boron LTE - nRF52840 with Mesh and LTE Cellular Modem
Slim Sticker-type GSM/Cellular Quad-Band Antenna - 3dBi uFL
Slim Sticker-type GSM/Cellular Quad-Band Antenna - 3dBi - With 200mm long Cable Tip
Right-angle Mini GSM/Cellular Quad-Band Antenna - 2dBi SMA Plug
Mini GSM/Cellular Quad-Band Antenna - 2dBi SMA Plug
SIM808 GSM + GPRS + GPS Cellular Module
Electron Cellular IoT Kit - 2G Global
Electron Cellular IoT Kit - 3G Eur/Afr/Asia
Mikroe AnyNet 2G click - Cellular to Secure AWS Gateway over the air (OTA) Device