The Sierra Wireless (formally Wavecom) AirPrime Q2687 intelligent embedded module supports quad-band data connectivity up to EDGE
Frequency Range (MHz)
EGSM/GRPS/EDEG 900/1800/850/1900Mhz
Key Features
ARM9, 32 bit, 104 MHz running Open AT® RTOS as standard
Upto 44 GPIO, 2 SPI, I2C, 2 UART
OPEN AT,TCP/IP Protocol,Supports SMS,MMS,FAX,VOICE CALL,
Enhanced Data Rates for Global Evolution (EDGE)