GSM/GPRS modules


Operating systems EGSM900/GSM1800MHZ dual frequency
GSM850/GSM1900MHZ (only change Saw Filter)
Physical Characteristics
Size 30mm×19.9mm×2.8mm
Packing and Pin 111 pieces Pin, SMT
Weight 3.1g
Operational temperature -40°C to +85°C 
Storage temperature -40°C to +85°C 
Operating voltage 3.3 – 4.5 V (4.0V is recommended)
Current consumption  
Tx power EGSM900 Class 4(2W); 
DCS1800 Class 1(1W);
Rx sensitivity 850/900MHz: -108dBm
  1800/1900MHz: -107 dBm
Sim Card External SIM connectivity 
Standard SIM card port(1.8V/3V)
Port UART(highest COM speed is 115200bit/s)
Dual port simulate audio port
Battery port
Charge test/control port
LCD port
Data Features
GRPS GPRS class 10
Encode mode CS1,CS2,CS3,CS4
Highest speed 85.6Kbit/s
Support PBCCH; embed TCP/IP,compatible GSM/GPRS Phase2/2+
AT GSM standard AT command
CSD Support CSD data service, highest speed is 14.4Kbit/s
Support fax, support USSD
SMS Support MO and MT;, .
  point to point and broadcast
  SMS mode support TEXT and PDU
FAX Group3 Class2(TS 61/62)
Voice Features
Differential analog audio lines  Two channel
Vocoders  EFR/HR/FR/AMR 
Audio control  Echo suppression, noise suppression, side tone and gain control
ADC Detect BATT voltage
Detect Extent Analog Voltage


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