Iboard is a unique Arduino board which features a WIZnet ethernet port, an XBee socket, nRF24L01+ module interface and an ATMega328. This board will add wireless XBee / nRF24L01+ control as well as internet connectivity to your projects.
IComsat is a GSM/GPRS shield for Arduino and based on the SIM900 Quad-band GSM/GPRS module. It is controlled via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands), and fully compatible with Arduino / Iteaduino and Mega.
With compact design, the board can integrate the real-time clock module DS1307, EEPROM memory AT24C32 and digital temperature sensor DS18B20 (not supplied on the board) which are connected via I2C bus together on a 27mm*28mm*8.4mm board.