3G/GPRS/GSM Shield for Arduino with GPS – American Version SIM5320A – Oz Robotics
Arduino Shield Includes Everything But The Kitchen Sink | Hackaday
3G/GPRS/GSM Shield for Arduino with GPS - American version SIM5320A
3G/GPRS/GSM Shield for Arduino with GPS – European version SIM5320E – Oz Robotics
3G/GPRS/GSM Shield for Arduino with GPS – American Version SIM5320A – Oz Robotics
Waveshare SIM808 GSM / GPRS / GPS 3G Shield for Arduino - Blue – pfdeal
Elecrow GSM/GPRS/EDGE SIM5360E 3G Shield for Arduino Uno Mega Module A-GPS Micro SIM Card 3G Network eCALL Development Board | Arduino, Development board, Gps
Adafruit FONA 808 Shield - Mini Cellular GSM + GPS for Arduino : ID 2636 : $49.95 : Adafruit Industries, Unique & fun DIY electronics and kits