Module sim800l mini gprs gsm review năm 2024

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Signal lights on board all the way. Blinks slowly when there is a signal, flashes quickly when there is no signal.

This is Small SIM800L GPRS GSM Module Micro SIM Card Core Board Quad-band TTL Serial Port with the antenna, in this module two antennas have been included.

SIM800L GSM/GPRS module is a miniature GSM modem, which can be integrated into a great number of IoT projects. You can use this module to accomplish almost anything a normal cell phone can; SMS text messages, make or receive phone calls, connecting to the internet through GPRS, TCP/IP, and more! To top it off, the module supports quad-band GSM/GPRS network, meaning it works pretty much anywhere in the world.

The SIM800L is a GSM/GPRS module designed for communication over cellular networks. It allows devices to connect to the internet, send and receive SMS, make and receive calls, and perform other communication tasks using the GSM (Global System for Mobile Communications) network.

Here's an overview and some details about the SIM800L GPRS GSM module :

Communication Capabilities: The SIM800L module supports GSM/GPRS communication. It operates on quad-band frequencies, which means it can work in different regions around the world.

TTL Serial Port: The module can be controlled using a TTL-level serial interface. This means you can communicate with the module using UART (Universal Asynchronous Receiver-Transmitter) communication over a serial connection.

Antenna: The module typically comes with a small antenna that needs to be connected for proper reception and transmission of signals. The antenna is crucial for establishing a stable connection to the cellular network.

Power Supply: The module requires a power supply of around 3.4V to 5V. It's important to provide a stable power source to ensure reliable operation.

AT Commands: The module is controlled using AT commands. These are simple text-based commands that you send over the serial interface to instruct the module to perform various actions like sending an SMS, making a call, etc.

Level Shifting: It's important to note that the module uses TTL-level UART communication, which might require level shifting if interfaced with microcontrollers or devices that use different voltage levels for UART communication (e.g., 5V).

Applications:

IoT and M2M Communication: The module can be used in Internet of Things (IoT) and Machine-to-Machine (M2M) applications to establish communication between devices and remote servers. It enables devices to transmit data over cellular networks, making it suitable for remote monitoring and control.

Remote Sensing and Telemetry: The module can collect data from sensors and transmit it to a central server for analysis. This is useful in applications like environmental monitoring, weather stations, and remote telemetry systems.

Vehicle Tracking and Fleet Management: The module can be integrated into vehicle tracking systems to provide real-time location information, enabling fleet managers to monitor vehicles and optimize routes.

In recent years 2022, due to a shortage of chips, some of the SIM modules have been recycled from Phones. So these modules have used mark due to the recycling procedure, but all modules are QC tested from China. Please use 3.3V while wiring Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-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 1mA in sleep mode.

It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands.

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Is SIM800L reliable?

The SIM800L module is a reliable and efficient solution for adding cellular connectivity to devices such as IoT devices, alarms, remote controls, and more. The SIM800L GSM module is small in size, low in power consumption and easy to integrate into any system with its UART and ADC interfaces.

What is SIM800L mini GPRS GSM module?

SIM800L GSM/GPRS module is a miniature GSM modem, which can be integrated into a great number of IoT projects. You can use this module to accomplish almost anything a normal cell phone can; SMS text messages, make or receive phone calls, connecting to the internet through GPRS, TCP/IP, and more!

Which is better SIM800L or SIM900?

SIM800 and SIM900 can be operated worldwide because they can operate in all four GSM bands used across the world. SIM800 has better signal reception. SIM800 has more features, such as Bluetooth 3.0. SIM800 is cheaper than SIM900.

Can SIM800L work without antenna?

The SIM800L module requires an external antenna in order to connect to the network, so choosing the right antenna is very important. There are two options available. The first is a helical antenna that comes with the module and can be soldered directly to the PCB.