... *3mm. 4.Weight: 7g. Products name:SIM900 GPRS GSM wireless module Quad-band 850 900 1800 1900MHz GPRS module SIM900 is Global available. SIMCom presents ... , the SIM900 delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption ...