This plug-in board is an ARM9 wireless CPU® board. It is equipped with an open AT® operating system with high-performance native execution. It has an ARM 9 processor with 104MHz.

• DTMF generator/decoder.
• Quad-band GSM/GPRS (850/900/1,800/1,900MHz).
• Integrated SMA connector for the GSM antenna interface.
• Integrated SIM Socket with a SIM tray.
• Power supply: 5V.