SIM800L GSM GPRS Module

The SIM800L GSM Module is a compact, cost-efficient GSM/GPRS modem ideal for IoT learners, students, hobbyists, and embedded system developers. This module is recycled from a mobile phone, meaning it is used but fully functional. Its small size, powerful GSM/GPRS capabilities, and simple TTL serial communication make it perfect for space-constrained IoT and GSM automation projects.

With integrated quad-band support, dual antennas, and direct TTL connectivity, this miniature module can send/receive SMS, make calls, and access the internet through GPRS without requiring additional hardware like MAX232. It is widely used in IoT devices, GPS trackers, home automation, telemetry, and student engineering projects.

Key Features of the SIM800L GSM GPRS Module

• Recycled GSM module from mobile phones (used but tested)
• Quad-band GSM/GPRS (850/900/1800/1900 MHz) – works worldwide
• TTL serial communication (connect directly to Arduino, ESP8266, ESP32, STM32, PIC, AVR, etc.)
• No MAX232 needed – direct connection support
• Automatic booting & network registration
• Built-in signal indicator LED
  • Slow flashing = network available
  • Fast flashing = no signal
• Supports SMS, voice calls, GPRS internet, TCP/IP

• Includes two antennas:

  • Wire antenna (solder to NET pin) – ideal for tight spaces
  • High-performance PCB antenna with adhesive & IPX cable
• Miniature size – perfect for compact projects

Technical Specifications

• Network: GSM/GPRS Quad-Band
• Interface: TTL Serial (Rx/Tx)
• Power Supply: Recommended 3.7V–4.2V (Li-ion/LiPo battery preferred)
• SIM Type: Micro SIM
• Antenna Ports: IPX/U.FL connector
• GSM Functions: SMS, Calls, GPRS, TCP/IP
• Status LED: Network indicator
• Compatibility: Arduino, Raspberry Pi, ESP8266/ESP32, STM32, PIC, AVR

Applications

• IoT Communication Systems
• GSM-Based Security & Automation
• GPS/GSM Tracking Devices
• Remote Monitoring & Telemetry
• Smart Home Devices
• Student Engineering Projects
• Wireless Data Transmission
• DIY Electronics & Prototyping

Why Choose SIM800L for IoT Projects?

• Ultra-compact and lightweight
• Works directly with most microcontrollers
• Supports essential GSM functions
• Easy to integrate and program
• Stable performance with included dual antennas
• Perfect for students, hobbyists, and rapid prototyping

Buy SIM800L GSM Module in Bangladesh

Order the SIM800L GSM Module (with Dual Antennas) from kommullo.com (Kommullo Bangladesh) or Labcare. store at competitive pricing with fast nationwide delivery.