GPRS GSM Kit Wireless Extension Module Board

Description:
   led Working temperature -30 ° to + 80 °;
   l Operating Voltage 5V;
   l Standby average current 3ma less;
   l support the GSM / GPRS four bands, including 850,900,1800,1900MHZ;
   l GPRS Class 10;
   l Sensitivity <-105;