This ARM7 wireless CPU® board consists of a 52MHz ARM7 processor. It is equipped with an integrated SMA connector with a GSM antenna interface, as well as an integrated SIM socket with a SIM tray.

• Open AT® operating system.
• Quad-band GSM (850/900/1,00/1,00MHz).
• Power supply: 5V.
• Fully modem-signal interface (5V TTL level).
• 1 audio interface.