DAOKI SIM800L GPRS GSM Module MicroSIM Card Core Board Quad-Band TTL Serial Port for Arduino with Antenna 3.7-4.2V with Dupont Cable : Amazon.ca: Electronics
Buy GSM-/GPRS-module SIM800L at the right price @ Electrokit
Simcom SIM800 GSM/ GPRS Module For Communication
SIM800L GPRS GSM Module With Antenna And SIM Slot
SIM800L GPRS Moduledule( you can test it in Future ) – Future Electronics Egypt