This plug-in board is a wireless ARM7 CPU® board. It is equipped with an open AT® operating system. It has an integrated SMA connector for a GSM antenna interface and an integrated SIM socket with a SIM tray.

• ARM7 processor: 52MHz.
• Quad-band GSM/GPRS (850/900/1,800/1,900MHz).
• Power supply: 5V.
• Full modem signal interface (5V TTL level).
• 1 audio interface.
• 3 digital inputs, 3 digital outputs (5V TTL level).
• GSM status output.
• Compatible with NLO series wireless CPU boards.