3G/GPRS/GSM Shield for Arduino with GPS - American version SIM5320A
GSM/GPRS/GPS Shield (B), Arduino Shield Based on SIM808
SIM808 GPRS/GSM + GPS + Bluetooth Shield for Arduino
Waveshare SIM808 GSM / GPRS / GPS 3G Shield for Arduino - Blue – pfdeal
Shield GSM/GPRS/GPS para Arduino - WS
GSM/GPRS/EDGE SIM5360E 3G Shield For Ardu Mega Module A GPS Micro SIM Card 3G Network ECALL Development Board From Wholesale Distributor Youareme, $163.84 | DHgate.Com
3G/GPRS/GSM Shield for Arduino with GPS – American Version SIM5320A – Oz Robotics
SIM5320E 3G GPRS GSM Shield for Arduino with GPS — PMD Way