Description

The SIM800A is a GSM/GPRS module commonly used for communication in various embedded systems and IoT (Internet of Things) applications.

Here’s a breakdown of its capabilities and how it’s often used:

GSM Module: The SIM800A is primarily a GSM (Global System for Mobile Communications) module. It can be used to establish mobile communication with a cellular network provider. This allows your device to make voice calls, send and receive SMS messages, and in some cases, connect to the internet using GPRS (General Packet Radio Service).

GPRS Module: GPRS is a packet-switched data service available on GSM networks. The SIM800A can be used for GPRS communication, enabling your device to transmit and receive data over the cellular network. This is useful for IoT applications where you need to send sensor data or other information to a remote server.

SMS Module: The SIM800A module includes functionality for sending and receiving SMS (Short Message Service) messages. You can use it to send text messages to other mobile phones or receive messages from them. SMS is a versatile communication method for remote monitoring, control, and notifications.

SIM800A :

Hardware Setup: You would typically connect the SIM800A module to a microcontroller or microprocessor using serial communication (UART) to control the module and exchange data.

Power Supply: The module requires a suitable power supply voltage and current to operate correctly.

SIM Card: To use the GSM and GPRS capabilities, you’ll need to insert a valid SIM card from a cellular network provider into the module. The module uses the SIM card to connect to the cellular network.

AT Commands: You communicate with the SIM800A module by sending AT (Attention) commands over the serial interface. These commands allow you to control the module’s functions, initiate calls, send SMS messages, and establish GPRS connections.

Programming: You’ll need to write code on your microcontroller to send AT commands and handle responses from the SIM800A module. This code can be written in languages like C/C++ or Python, depending on your hardware platform.

Applications:

Once your module is set up and programmed, you can use it for various applications such as remote monitoring, tracking, home automation, or any project that requires cellular communication.

Technical Details

SIM800A Quad-Band GSM Module
Bands: GSM 850MHz, EGSM 900MHz, DCS 1800MHz, PCS 1900MHz
Coding schemes: CS-1, CS-2, CS-3, CS-4 Tx power: Class 4 (2W), Class 1 (1W)
GPRS class 2/10.
Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT command set).
Voltage Supply Required- 5VDC to 12VDC with at least 2A Peak Current Capability
5V interface for direct communication with MCU kit.
Configurable baud rate.
Built-in SIM Cardholder.
Built-in Network Status LED.
Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
Low power.
Operating temperature: -40C to +85C
External Finger type antenna

Features

The Development board supports 2G / 3G / 4G Unicom or mobile phone cards.
TTL level serial port compatible with 3.3V and 5V microcontrollers.
Support SMS, GPRS data transmission, send MMS, DTMF, HTTP, FTP, PPP dial-up, and other functions.
For the initial use of computer debugging, it is recommended to use a CP2102 USB-TTL module for the power supply and communication;
The hardware contains one channel reset pin. This reset pin can be used to resolve a problem with the module.
Using the MCU control module, you can also use the USB – 232 monitoring return data on the instructions, great convenience to find the problem, especially suitable for 51 MCU.
Standby in 30MA or so, you can set the sleep state of about 10MA low power consumption.

Applications

Remote Data Monitor and Control.
Water, gas, and oil flow metering.
AMR (automatic meter reading).
Power station monitoring and control.
Remote POS (point of sale) terminals.
Traffic signals are monitored and controlled.
Fleet management.
Power distribution network supervision.
Central heating system supervision.
Weather station data transmission.
Hydro-logic data acquisition.
Vending machine.
Parking meter and Taxi Monitor.
Telecom equipment supervision (Mobile base station, microwave, or optical relay station).

Physical Attributes

Length * Width * Height (mm) : 40 * 40 * 15 mm
Weight (gm) : 35

Package Includes

1 x SIM800A module GSM module GPRS module SMS module

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SIM800A Module GSM Module GPRS Module SMS Module

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Description

Here’s a breakdown of its capabilities and how it’s often used:

SIM800A :