This is mini 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.
Technical Specifications
Board Specifications
Operating Frequency: 850/ 900/1800/1900MHz Quad-Band network
Operating Voltage: 4.5 – 5.2VDC
Maximum Operating Current: 2A
Sleep Current: 5mA
Sim Card Holder: Onboard Micro Sim Card Holder
Communication Interface: TTL Serial Port
Default Baud Rate: 115200
Logic Level Voltage: 3.3V
Antenna Interface: Onboard IPX and Spring Antenna Pad
Antenna Specifications
Module Compatibility: Sim800L GSM Module/Arduino SIM900 GPRS Shield
Frequency: 780MHz ~ 960MHz, 1710MHz ~ 2170MHz
Gain: +2.0±0.7dBi
Output Impedance: 50Ω
Pin Out
The Module has 24 pins but only 4 of them are needed to interface it with a Microcontroller, this is how to connect the module to Arduino UNO
A6 Mini Pin | Arduino Uno Pin |
VCC | 5V |
G | GND |
UTX | RX |
URX | TX |
Applications
It is used for adding wireless capabilities to any electronics project.