Product >> GSM/GPRS module Product:MG2639Network:GSM/GPRSBrand:ZTEProduct information:Band:850/900/1800/1900MHz Funtion:Voice,SMS,DATA Date rate: 85.6kbpsStandby current: 2mAEmbedded TCP/IP protocolDimension:30*25*2.68mm SMT,ultra-thin design, small size, low power consumptionOperating temperature:-30°C~+75°CCertifications:CE,ROHS,FCC,CCC,CTA