Product characteristic

• Double frequency GSM/GPRS MODEM module
• Carries out ETSI GSM the Phase 2+ standard
• class 4 (2W @ 900MHz)
• class 1 (1W @ 1800/1900MHz);
• Exterior 3V/5V SIM 
• (supports class10), downloads 53.6.kbits/s, on passes on 26.8kbits/s
• The data link asynchronous transmission and synchronization may reach 14,,400 bits/s
• Automatic facsimile group3 (class 1&2)
• Telephone conversation and facsimile transformation
• IrDA 1.2A agreement
• GPRS WAP
• Power supply 
• 3,6VDC 1A 
• In correspondence average 300mA (0%DTX, Pmax)
• When free time 3.5mA
• Outside measurement: 58*32*6mm 
• Weight: 20g (including shield)
• SMS service
• Point-to-point MT&MO
• SMS cell broadcast
• Reply call information
• Attachment service
• Call forwarding
• Multi-party MPTY
• The call limits
• Telephone directory
• Fixed number call
• The call waits for or the maintenance
• Call line authentication
• Records the expense
• Infrared SIM data transmission
• Echo cancellation
• SIM tool bag
• SIM lock
• USSD

Basic characteristic 

• Telephone conversation or emergency call
• Maximum speed,: promotion maximum speed and half speed rate
• Double sound multi- frequencies function (DTMF)
• A5/1&A5/5 encryption algorithm

Data characteristic

• Connection 
• Sole antenna connection (for 900/1800)
• SIM 3V/5V and SIM examination
• Real-time clock 
• In order to grasp the equipment design
• I/O connection
• 4 parallel connection
• Parallel LCD connection
• I2C bus 
• 10 outputs lines for 5*5 keyboard
• 2 microphones inputs and 2 earphones output
• The buzzer outputs
• Power source connection
• For data manipulation
• RS232C string mouth line
• Through AT command control
• Baud rate from 300 to 115,200 bits/s
• Automatic speed from 2,,400 to 19,,200 bits/s