Quad-Band 850/ 900/ 1800/ 1900 MHz
GPRS multi-slot class 10/12
GPRS mobile station class B
Compliant to GSM phase 2/2+
2-in-1 headset jack
Specifications

Low power consumption: 0.6mA(sleep mode)
Supply voltage range : 5 -12V
Operation temperature: -40°C to +85 °C
Compliant to GSM phase 2/2+: Class 4 (2 W @850/ 900 MHz), Class 1 (1 W @ 1800/1900MHz)