​​PRODUCT DESCRIPTION:

SIM800A is a SMT Package with 68 pads.This SIM800A Module supports dual-band GSM/GPRS Network. It is compatible with one full function UART port, one I2C master interface for peripheral management, one USB port for debugging and firmware upgrading, audio channel which includes a microphone input and a receiver output, one SIM card interface, Programmable general purpose input and output, two PWM output, one ADC input and GSM/Bluetooth antenna interface. It also supports up to 4 X 5 keypad.​​​
FEATURES:

• ​Two frequency 900/1800MHz

• GPRS multi-slot class 12/10

• ​GPRS mobile station class B

• Compliant to GSM phase 2/2+– Class 4 (2 W @ 850/900MHz)– Class 1 (1 W @ 1800/1900MHz)

• Control via AT commands(GSM 07.07, 07.05 and SIMCOM enhanced AT Commands)

• Low power consumption​

SPECIFICATIONS:

• Supply voltage range 3.4 ~ 4.4V

• ​Operation temperature:-40℃ ~85℃

• Dimensions: 24 X 24 X 3 mm

• Weight : 3.1g​

PACKAGE INCLUDE:

• 1 X  SIM800A Chip Module