A6 Pro Serial GPRS GSM Module Core Developemnt 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. Suitable for SIM800L GSM modules / Arduino SIM900 GPRS Shield

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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 / 1900MHz
Working voltage: 4.8-9VDC(On-board voltage regulator circuit supply power for A6 module)
Working Current: maximum of 2A
Sleep Current: 5mA
Onboard Micro SIM card holder, you can install Micro SIM card
Onboard Micro USB interface for external power supply
Communication Interface: TTL serial port / RS232 serial port
Baud rate: 115200bps and it can also be set by AT command.
Interface logic voltage: 3.3V
Make and answer phone calls using a headset and electret microphone.
Send and receive SMS messages.
Send and receive GPRS data (TCP/IP, HTTP, etc.) .
Be used to test the Ai-Thinker GPRS A6 module
Pin pitch: 2.54mm
Onboard antenna interface: SMA and IPX

About the Antenna: