FreArduino GSM / GPRS Shield Expansion Board for Arduino (Works with Official Arduino Boards)
Color: Black - Quantity: 1 - Material: Semi-fiberglass board FR4 - Compatible with Freaduino / Arduino / Mega2560 - Frequency: 850 / 900 / 1800 / 1900MHz - Power: 5V - Great for GSM / GPRS cell phone DIY lovers - Suitable for wireless project development and remote control development - Packing list: 1 x Expansion board