SIM800L V1 GSM GPRS MODULE

SIM800L V1 GSM GPRS Module

The SIM800L V1 is a compact quad-band GSM/GPRS communication module that enables Arduino, ESP32, and other microcontrollers to send and receive SMS, make voice calls, and transmit data over the cellular network. It’s widely used in IoT projects, tracking systems, remote monitoring, and SMS-based control systems.

Specifications:

• Model: SIM800L V1

• Network Type: GSM / GPRS

• Frequency Bands: 850 / 900 / 1800 / 1900 MHz (Quad-Band)

• Supply Voltage: 3.7V – 4.2V DC (typical: 4.0V)

• Peak Current: Up to 2A (during transmission)

• Logic Level: 2.8V (TTL)

• Interface: UART (TXD, RXD)

• SIM Card: Micro SIM

• Antenna Connector: IPEX

• Dimensions: ~25 × 23 mm

• Operating Temperature: -40°C to +85°C

Features:

• Supports SMS, voice calls, and GPRS data

• Built-in TCP/IP stack

• AT command control

• Low power consumption (sleep mode supported)

• Compact size, ideal for embedded projects

• External antenna support for better signal

• Status LED for network indication

Pinout:

• VCC → 3.7–4.2V

• GND → Ground

• TXD → UART Transmit

• RXD → UART Receive

• RST → Reset (optional)

• DTR → Sleep control (optional)

Applications:

• SMS-based controllers

• GPS trackers

• Home automation

• Remote monitoring systems

• Alarm systems

• IoT devices

• Vending machines

• Industrial telemetry

Package Includes:

• 1× SIM800L V1 GSM GPRS Module
  (Antenna and SIM card not included unless stated)