GPRS A6 Pro Serial GPRS GSM Module Core Development Board

This is professional version serial GSM / GPRS core development board based on GPRS A6 module. It 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 microcontroller via UART port, supports command including GSM 07.07, GSM 07.05 and Ai-Thinker enhanced AT Commands.Features:Working frequency: quad-band network, 850 / 900 / 1800 / 1900MHzWorking voltage: 4.8-9VDC(On-board voltage regulator circuit supply power for A6 module)Working Current: maximum of 2ASleep Current: 5mAOnboard Micro SIM card holder, you can install Micro SIM cardOnboard Micro USB interface for external power supplyCommunication Interface: TTL serial port / RS232 serial portBaud rate: 115200bps and it can also be set by AT command.Interface logic voltage: 3.3VMake and answer phone calls using a headset and electret microphone.Send and receive GPRS data (TCP/IP, HTTP, etc.) .Be used to test the Ai-Thinker GPRS A6 modulePin pitch: 2.54mmOnboard antenna interface: SMA and IPX