Features:

• Separate  application  processor  (ARM7)  manages GSM module.
• Automatically connects to your APN.
• Automatically  switches  between  CSD  and  GPRS\connections.
• Implements both TCP server and client modes
• Display of GSM signal strength.
• Remote  management  via  SMS  including  modem configuration (APN parameters etc) and EM status (signal strength, etc).
• Supervises network GPRS connection.
• Intelligent  power  management  with  additional watchdog processor to manage GSM engine (loss of coverage, locked calls, periodic reset).
• 2x Chip-SIM ready.
• AT command set.
• GPRS Class 10 (2G)
• Dual-Band:         900 / 1800 MHz
• Output power:      2W (GSM900)        1W (GSM1800)

Connections:

• Antenna:  SMA (female)
• Data: RS232 – RJ12 and RS485 – RJ12