Sim800 GSM-GPRS-Bluetooth Modem Sim800 Break out board has on Board Bluetooth Antenna and works same like sim900a with extra features like on board Bluetooth.(Bluetooth Firmware Needs to be Upgraded) On Board Power regulator, works on 9V 1A DC Power Switch, Reset Switch, Power LED Ring LED Network LED UART Serial DB9 Connector TTL Pins And external Interfacing Pins. Works with AT Commands for sim800. @ 9600 Baud rate (Configurable) Features: Power Switch, Reset Switch, Power LED Ring LED Network LED UART Serial DB9 Connector TTL Pins And external Interfacing Pins. Works with AT Commands for sim800 @ 9600 Baud rate (Configurable)

SIM800 UART TTL GSM Modem Module With SMA Antenna SIM800 is a quad-band GSM/GPRS module that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz. SIM800 features GPRS multi-slot class 12/ class 10 (optional) and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4. The baud rate is configurable from 1200-115200 through AT command. The GSM/GPRS Modem is having internal TCP/IP stack to enable you to connect with the internet via GPRS. SIM800 is an ultra-compact and reliable wireless module. This is a complete GSM/GPRS module in an SMT type and designed with a very powerful single-chip processor. Features Quad-band GSM/GPRS module that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz, and PCS 1900MHz GPRS multi-slot class 12/class 10 (optional), and supports CS-1, CS-2, CS-3, and CS-4 GPRS coding schemes Configurable baud rate that can be set between 1200-115200 through AT commands Internal TCP/IP stack to enable internet connection via GPRS One UART port and one USB port SMA antenna that needs to be assembled to the modem Accepts any GSM network operator SIM card Highly reliable for 24x7 operation with matched antenna Status of the modem indicated by LED Low power consumption Can be used for applications like SMS control, data transfer, remote monitoring, traffic signals monitor and control

SIM800A GSM/GPRS Serial & TTL Modem The SIM800A Quad-Band GSM/GPRS Module with RS232 Interface is a comprehensive solution for Quad-band GSM/GPRS communication, packaged in an LGA (Land Grid Array) format suitable for embedding in customer applications. The SIM800A module supports Quad-band operation across 850/900/1800/1900 MHz frequencies, enabling transmission of voice, SMS, and data with low power consumption. With its compact dimensions of 100 x 53 x 15 mm, the module can easily meet the slim and compact requirements of custom designs. It includes an Embedded AT command set, offering cost savings and rapid time-to-market for customer applications. The SIM800A modem features a GSM chip and an RS232 interface, allowing convenient connection to computers or laptops using a USB to Serial connector, or to microcontrollers using an RS232 to TTL converter. When connecting the SIM800A modem via the USB to RS232 connector, it is necessary to identify the correct COM port from the Device Manager of the USB to Serial Adapter. Once the connection is established, you can use terminal software like Putty to open a connection to the designated COM port at a baud rate of 9600, which is the default baud rate for this modem. After establishing a serial connection through the computer or microcontroller, you can begin sending AT commands. When sending AT commands (e.g., "ATr"), the SIM800A modem should respond with "OK" or another appropriate reply depending on the specific command sent. Features: Quad-band 850/900/1800/1900MHz. GPRS class 2/10. Control via AT commands (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT command set). High-Quality Product (Not hobby grade). 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. 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 monitor and control. Fleet management. Power distribution network supervision. Central heating system supervision. The weather station data transmission. Hydro-logic data acquisition. Vending machine. Traffic info guidance. Parking meter and Taxi Monitor. Telecom equipment supervision (Mobile base station, microwave or optical relay station).

SIM800A LM317 with Antenna(GSM Finger)- ADIY The SIM800A Quad-Band GSM/GPRS Module with RS232 Interface is a comprehensive solution for Quad-band GSM/GPRS communication. It comes in an LGA (Land grid array) form factor and offers low power consumption while enabling voice, SMS, and data transmission. This module supports the 850/900/1800/1900 MHz bands. To establish a connection with a computer, laptop, or microcontroller, the GSM module features an RS232 interface, which can be utilized through either a USB to Serial connector or an RS232 to TTL converter. Communication with the SIM800A module is achieved using AT instructions. The module comes with a SIM cardholder and an SMA antenna connector. The SIM800A modem consists of a SIM800A GSM chip and an RS232 interface, facilitating easy connections to PCs or laptops via USB to Serial or to microcontrollers using the RS232 to TTL converter. Once the SIM800A modem is connected to the USB to RS232 connector, the correct COM port should be selected by checking the Device Manager of the USB to Serial Adapter. Next, a serial connection needs to be established between the computer and the microcontroller by using a terminal program such as Putty. The connection should be made to the designated COM port at a baud rate of 9600, which is the default baud rate for the modem. Once the serial connection is established, AT commands can be transmitted. For example, sending the command "ATr" should elicit a response of "OK" or another relevant response from the SIM800A modem, depending on the provided command. check out : Sim800 GSM-GPRS-Bluetooth Modem Pinout: Pinout Of SIM800A LM317 with Antenna Features: Quad Band GSM/GPRS modem Supports LTE-FDD, LTE-TDD, and GSM frequency bands Dual frequency of 900/1800 MHz Operating temperature range: -40°C to +85°C Can be connected to a computer or microcontroller Connection options: USB to Serial connector or RS232 to TTL converter Applications: Parking Meter and Taxi Meter For Detection of Navigation

SIM800C GSM Modem The SIM800C GSM Modem is a quad-band GSM/GPRS module that supports up to 85.6kbps of GPRS data transfer. It has a powerful expansion capability and a rich set of interfaces, including UART, USB2.0, and GPIO. The module provides customers with great flexibility and ease of integration for their applications. Features Quad-band GSM/GPRS: Supports frequencies 850/900/1800/1900MHz GPRS data transfer up to 85.6kbps Powerful expansion capability Rich set of interfaces, including UART, USB2.0, and GPIO Easy to integrate with customer applications Applications Industrial automation GPRS-based data logging GPRS and GPS applications Home automation Health monitoring Agriculture automation Vehicle tracking Remote monitoring and controlling GPRS-based weather report logging GSM GPRS-based security alert The SIM800C GSM Modem is a powerful and versatile module that can be used in a variety of applications. It is easy to integrate with customer systems and provides a high level of performance and reliability.

SIM800C GSM module GPRS SMS voice phone development board Discover a world of possibilities with the GSM Module GPRS SMS Voice Phone Development Board SIM800C. Designed to fulfill the needs of IoT, mobile communication, and remote monitoring projects, this development board provides unmatched functionality and performance. With support for GSM, GPRS, SMS, and voice functions, establishing strong connections is easy. Whether you're making voice calls, sending SMS messages, or transferring data, the SIM800C guarantees smooth communication, making sure your projects work well. This development board lets you send important alerts and have conversations in both directions. It helps you stay connected and informed, no matter the application. With support for DC5V or lithium battery input, giving you flexibility in powering it and making sure it works with your setup. Plus, it's compatible with both 5V and 3.3V TTL logic at the MCU level, which makes it easy to connect with popular microcontrollers like Arduino and STM32. It's time to supercharge your communication projects! Buy the SIM800C GSM module GPRS SMS voice phone development board from Iotcart and take the next step in innovation today! Package Include: 1x SIM800C GSM module GPRS SMS voice phone development board

Sim800L GSM GPRS Module This Small SIM800L GPRS GSM Module is equipped with a Micro SIM Card Core Board and a quad-band TTL Serial Port. It comes with two antennas included, providing excellent wireless connectivity. The SIM800l GSM module is a compact GSM modem that can be seamlessly integrated into various IoT projects . With this miniature GSM modem, you can achieve a wide range of functionalities similar to a regular cell phone, including sending and receiving SMS text messages, making phone calls, and connecting to the internet via GPRS, TCP/IP, and more! Moreover, this GSM/GPRS module for microcontrollers supports a quad-band GSM/GPRS network, ensuring global compatibility. One of the antennas is a wire type that can be directly soldered to the NET pin on the PCB, making it highly suitable for narrow spaces. The other antenna is a PCB antenna, which comes with double-sided tape and a pigtail cable featuring an IPX connector. This GSM communication module offers superior performance and enables you to enclose the module within a metal case while keeping the antenna exposed for optimal reception. check out : Sim 800C GSM Modem with Battery Pinout: Features: It is Quad-band GSM/GPRS module Works on frequencies: 850MHz GSM, 900MHz EGSM, 1800MHz DCS, and 1900MHz PCS Supports GPRS multi-slot class Compact size and low current consumption Ideal for small projects Can be interfaced with any microcontroller for GSM functionality Enables making and receiving phone calls Supports sending and receiving SMS messages Allows for GPRS data transmission (TCP/IP, HTTP, etc.) Power-saving techniques with low current consumption (as low as 1mA in sleep mode) TTL serial interface Baud rates range from 1200 bps to 115200 bps Automatic baud rate detection Includes lead out buzzer and vibrational motor control port Input voltage range: DC 3.7-4.2V read more : Why GSM Modules Are Essential for IoT Projects

SIM800L V2 GSM GPRS Module The SIM800L V2 5V Wireless GSM GPRS module provides power supply compatibility with 5V and can be easily connected to a computer for debugging via USB to TTL serial port. It has an output current of 800mA, and its TTL serial interface is compatible with both 3.3V and 5V microcontrollers. You can directly connect it to your single-chip computer after purchasing. The GSM module features an IPX antenna and offers the flexibility to switch between a PCB glue stick antenna and suction cups. With support for four-frequency communications, this module allows data connectivity worldwide. The SIM800L GSM GPRS module is a quad-band module that works with Arduino. It offers GSM functionality including voice calls and SMS, as well as GPRS capabilities. This module operates at a voltage of 5V for both the VCC and TTL serial levels. The SIM800L module includes a built-in regulator circuit and a TTL-level converter while many GPRS/GSM modules on the market require additional components such as a 5V regulator and level converter circuit. Check out our collection of GPRS/GSM Modules SIM800L V2 GSM Module Pinout: Features: Quad-Band 850/900/1800/1900 MHz for global GSM support 3.3V/5V TTL serial interface Compact, fits embedded systems Easy SIM swap with card slot IPX interface for antenna flexibility Gold-plated for stability Neat wiring for reliable operation Protection against high pressure and wear Applications: Transmit Voice SMS and data information with low-power Home automation Agriculture automation

Sim808 GSM/GPRS Module The SIM808 Bluetooth Compatible GSM/GPRS/GPS Development Board is designed for Arduino and Raspberry Pi compatibility. It incorporates the SIM808 module, enabling GSM communication and GPS functionality. With this board, you can easily send and receive SMS, track locations, and even create your own cell phone. The SIM808 module serves as both a GSM communicator and a GPS receiver. The board requires a power supply of 5-26V, and when the power supply is less than 2A, a 9V power supply is necessary. It offers a direct power supply port for convenient access. For battery power supply, a lithium battery ranging from 3.5-4.2V is suitable. The board supports computer debugging through a USB-TTL connection, making it portable and user-friendly. It provides two sets of SMA antenna ports for GPS and GSM antennas. Additionally, it offers two sets of IPX ports, facilitating antenna embedding in an aluminum box. The board features a single TTL serial port, allowing for flexible switching between GPS and GSM functions. Note: Please note that the new version will use the new AT Command for the GPS function, and use the new library. Quadband GSm850/900/1800/1900MHz, GPRS multi-slot class12 connectivity: max. 85.6kbps(down-load/up-load), GPRS mobile station class B, Controlled by AT Command (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands). Sim808 Pinout: Pinout Of Sim808 GSM-GPRS Module Features SIM808 GSM : Supports Quad-band 850/900/1800/1900MHz, compatible with all 2G networks all around the world. Inner MT3337 GPS receiver, -165dBm precision, control on a same serial port. Earphone/ microphone outputs on a card or external 32-ohm speaker + supports voice calls with an electret microphone. Sending and receiving SMS. Sending and receiving GPRS data (TCP/IP, HTTP vb). UART communication with automatic baud rate settings. GPRS multi-slot class 12/10 GPRS mobile station class B Comply with GSM phase 2/2 + Class 4 (2 W @ 850 / 900MHz) Class 1 (1 W @ 1800 / 1900MHz) Support low power consumption mode: 100mA @ 7V-GSM mode Support AT command control (3GPP TS 27.007,27.005 and SIMCOM enhanced AT Commands) Supports GPS satellite navigation technology Support LED status indicator: Power supply status, network status, and operating modes Working environment: -40 ? ~ 85 ? SIM808 GPS : 22 tracking/66 acquisition channel GPS L1 C/A code Precision: Tracking: -165dBm, Cold start: -148dBm Finding Location Time(typical): Cold start: 32sn, Hot start: 1sn, Warm start: 5sn Accuracy: ~2.5m

SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna The SIM900A Modem incorporates the SIM900A GSM module from SIMCOM, a dual-band GSM-based modem. It operates within the 900MHz frequency range and has the capability to automatically search for these two bands. Additionally, the frequency bands can be configured using AT Commands. The baud rate can be adjusted within the range of 1200-115200 through AT commands as well. This ultra-compact wireless module features an interface that facilitates connections with both PCs and microcontrollers through the RS232 Chip (MAX232). Designed for M2M applications, the SIM900A Modem is ideal for SMS, voice, and data transfer purposes. Its onboard regulated power supply accommodates a wide range of unregulated power sources. With this modem, you can effortlessly perform tasks such as making audio calls, sending and receiving SMS messages, reading SMS content, and handling incoming calls using simple AT commands. This SMT-type GSM module is a complete solution, incorporating a powerful single chip that enables its compact size. It offers serial and TTL outputs for easy integration and utilization. check out: SIM800 GSM MODEM MODULE BOARD WITH SMA ANTENNA Features: Dual-band GSM/GPRS engine Operates on frequencies: EGSM 900MHz and DCS 1800MHz GPRS multi-slot class 10/ class 8 (optional) Supports GPRS coding schemes: CS-1, CS-2, CS-3, and CS-4 Utilizes GPRS/GSM technology for communication with a mobile SIM card Compatible with various microcontrollers such as Arduino and Raspberry Pi Suitable for embedded applications RS232 interface for direct communication with a computer or MCU kit Compact size Suitable for IoT-based projects and embedded systems Applications include voice call and SMS applications, IoT applications, and location tracking systems. read our blog explaining the interfacing gsm module with arduino , which provides a comprehensive guide. Application: Cellular Communication. Home Automation. Security-based projects. Sensors monitoring. Robotics. Mobile Phone Accessories. Servers. Computer Peripherals. Automobile. USB Dongles. read our blog explaining the gsm module connection with arduino , which provides a comprehensive guide.