GSM Sim 800L Module

GSM SIM800L Module

The SIM800L GSM module is a compact and powerful cellular communication module that enables GSM/GPRS-based communication for voice, SMS, and data. It is widely used in IoT, automation, and remote monitoring applications where wireless connectivity is required.

Key Features

• Quad-Band GSM Support: Works on 850 / 900 / 1800 / 1900 MHz networks
• SMS & Voice Capability: Send/receive SMS and make calls
• GPRS Data Support: Internet connectivity for IoT applications
• Compact Size: Ideal for small and portable projects
• UART Interface: Easy communication with microcontrollers
• Low Power Consumption: Supports sleep modes

Applications

• IoT Projects: Remote monitoring and control
• Home Automation: SMS-based switching systems
• Security Systems: Alerts and notifications via SMS/call
• GPS Trackers: Communication in tracking devices
• Industrial Automation: Remote data logging

Technical Specifications

• Module: SIM800L
• Network: GSM/GPRS
• Frequency Bands: 850 / 900 / 1800 / 1900 MHz
• Operating Voltage: 3.7V–4.2V (Important: not 5V tolerant)
• Communication Interface: UART (TX/RX)
• Baud Rate: Default 9600 bps
• Current Consumption:
  • Idle: ~10–20 mA
  • Peak: Up to ~2A (during transmission)
• Antenna: External antenna required

Product Example

SIM800L GSM GPRS Module
Compact and reliable GSM module for SMS, voice, and IoT connectivity applications.

Why Choose SIM800L?

The SIM800L is one of the smallest and most affordable GSM modules available. It provides full cellular functionality in a compact form factor, making it perfect for projects requiring remote communication without Wi-Fi.