Detailed Introduce：
Tri-Band GSM/GPRS 900/1800/1900MHz or Quad-Band GSM.GPRS 
850/900/1800/1900MHz
· GPRS multi-slot class 10/8
· GPRS mobile station class B
Compliant to GSM phase 2/2+
– Class 4 (2W @ 900MHz)
– Class 1 (1W @ 1800/1900MHz)

Dimensions: 40mm*33mm*2.85mm
Weight: 8g
Control via AT commands (GSM 07.07, 07.05 and SIMCom enhanced AT Commands)
SIM application toolkit
Supply voltage range 3.4V - 4.5V
Low power consumption
Normal operation temperature: -20 °C to +55 °C
Restricted operation temperature:  -30°C to -20 °C and +55 °C to +80 °C
Storage temperature:   -40 °C to +85 °C