Product DescriptionIt supports dual-band GSM/GPRS network, available for GPRS and SMS message data remote transmission. The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 3mA in sleep mode. It communicates with the microcontroller via UART port, support command including GSM 07.07, GSM 07.05 and Ai-Thinker enhanced AT