GSM Module SIM800L

Description

🔹 Key Features

• Quad-band GSM/GPRS: 850 / 900 / 1800 / 1900 MHz

• Supports SMS, voice calls, and GPRS data

• UART (TX/RX) serial interface

• AT command based control

• Ultra-compact & lightweight

• External IPEX antenna support

• Low power modes for battery projects

🔹 Technical Specifications

• Network: GSM/GPRS (2G)

• Frequency Bands: Quad-band

• Operating Voltage: 3.7 – 4.2 V (single-cell Li-ion recommended)

• Peak Current: Up to 2A during transmission

• Interface: UART (Serial)

• SIM Card: Micro SIM

• Antenna Connector: IPEX

• Data Services: GPRS Class 12

• Control: AT Commands

⚠️ Important: Use a stable 4V power supply capable of 2A peak current for reliable operation.

🔹 Pin Description

• VCC: 3.7–4.2 V power input

• GND: Ground

• TXD: Transmit data

• RXD: Receive data

• RST: Reset

• NET: Network status LED

🔹 Applications

• IoT & remote monitoring 🌐

• SMS-based alerts & notifications

• GPS/GSM vehicle tracking 🚗

• Home & industrial automation

• Smart meters & data logging

• DIY communication projects

🔹 Package Includes

• 1 × SIM800L GSM/GPRS Module
  (SIM card, antenna, and power source not included unless specified)